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tests: Remove duplicate STRIP_USED definition.
[ovs.git] / lib / odp-util.c
CommitLineData
064af421 1/*
8bfd0fda 2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
064af421 3 *
a14bc59f
BP		 4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
064af421 7 *
a14bc59f
BP		 8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
064af421
BP		 15 */
16
17#include <config.h>
bed69b3e 18#include <arpa/inet.h>
064af421 19#include "odp-util.h"
36956a7d 20#include <errno.h>
064af421 21#include <inttypes.h>
7202cbe5 22#include <math.h>
6ca00f6f 23#include <netinet/in.h>
685a51a5 24#include <netinet/icmp6.h>
064af421
BP		 25#include <stdlib.h>
26#include <string.h>
cdee00fd 27#include "byte-order.h"
064af421 28#include "coverage.h"
758c456d 29#include "dpif.h"
064af421
BP		 30#include "dynamic-string.h"
31#include "flow.h"
cdee00fd 32#include "netlink.h"
3bffc610 33#include "ofpbuf.h"
064af421 34#include "packets.h"
44bac24b 35#include "simap.h"
064af421
BP		 36#include "timeval.h"
37#include "util.h"
34118cae
BP		 38#include "vlog.h"
39
40VLOG_DEFINE_THIS_MODULE(odp_util);
064af421 41
df2c07f4
JP		 42/* The interface between userspace and kernel uses an "OVS_*" prefix.
43 * Since this is fairly non-specific for the OVS userspace components,
44 * "ODP_*" (Open vSwitch Datapath) is used as the prefix for
45 * interactions with the datapath.
46 */
47
7202cbe5
BP		 48/* The set of characters that may separate one action or one key attribute
49 * from another. */
50static const char *delimiters = ", \t\r\n";
51
e6cc0bab
AZ		 52static int parse_odp_key_mask_attr(const char *, const struct simap *port_names,
53 struct ofpbuf *, struct ofpbuf *);
54static void format_odp_key_attr(const struct nlattr *a,
0a37839c
GS		 55 const struct nlattr *ma,
56 const struct hmap *portno_names, struct ds *ds,
041e7168 57 bool verbose);
a052b51b 58
98403001
BP		 59/* Returns one the following for the action with the given OVS_ACTION_ATTR_*
60 * 'type':
61 *
62 * - For an action whose argument has a fixed length, returned that
63 * nonnegative length in bytes.
64 *
65 * - For an action with a variable-length argument, returns -2.
66 *
67 * - For an invalid 'type', returns -1. */
4edb9ae9 68static int
cdee00fd
BP		 69odp_action_len(uint16_t type)
70{
df2c07f4 71 if (type > OVS_ACTION_ATTR_MAX) {
cdee00fd
BP		 72 return -1;
73 }
74
09ded0ad 75 switch ((enum ovs_action_attr) type) {
fea393b1 76 case OVS_ACTION_ATTR_OUTPUT: return sizeof(uint32_t);
98403001 77 case OVS_ACTION_ATTR_USERSPACE: return -2;
fea393b1
BP		 78 case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan);
79 case OVS_ACTION_ATTR_POP_VLAN: return 0;
b02475c5
SH		 80 case OVS_ACTION_ATTR_PUSH_MPLS: return sizeof(struct ovs_action_push_mpls);
81 case OVS_ACTION_ATTR_POP_MPLS: return sizeof(ovs_be16);
347bf289
AZ		 82 case OVS_ACTION_ATTR_RECIRC: return sizeof(uint32_t);
83 case OVS_ACTION_ATTR_HASH: return sizeof(struct ovs_action_hash);
4edb9ae9 84 case OVS_ACTION_ATTR_SET: return -2;
98403001 85 case OVS_ACTION_ATTR_SAMPLE: return -2;
df2c07f4
JP		 86
87 case OVS_ACTION_ATTR_UNSPEC:
88 case __OVS_ACTION_ATTR_MAX:
cdee00fd
BP		 89 return -1;
90 }
91
92 return -1;
93}
94
e6603631
BP		 95/* Returns a string form of 'attr'. The return value is either a statically
96 * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize'
97 * should be at least OVS_KEY_ATTR_BUFSIZE. */
98enum { OVS_KEY_ATTR_BUFSIZE = 3 + INT_STRLEN(unsigned int) + 1 };
744791b5 99static const char *
e6603631 100ovs_key_attr_to_string(enum ovs_key_attr attr, char *namebuf, size_t bufsize)
744791b5 101{
744791b5
BP		 102 switch (attr) {
103 case OVS_KEY_ATTR_UNSPEC: return "unspec";
fea393b1 104 case OVS_KEY_ATTR_ENCAP: return "encap";
1b567fb9 105 case OVS_KEY_ATTR_PRIORITY: return "skb_priority";
72e8bf28 106 case OVS_KEY_ATTR_SKB_MARK: return "skb_mark";
9b405f1a 107 case OVS_KEY_ATTR_TUNNEL: return "tunnel";
744791b5
BP		 108 case OVS_KEY_ATTR_IN_PORT: return "in_port";
109 case OVS_KEY_ATTR_ETHERNET: return "eth";
fea393b1 110 case OVS_KEY_ATTR_VLAN: return "vlan";
744791b5
BP		 111 case OVS_KEY_ATTR_ETHERTYPE: return "eth_type";
112 case OVS_KEY_ATTR_IPV4: return "ipv4";
113 case OVS_KEY_ATTR_IPV6: return "ipv6";
114 case OVS_KEY_ATTR_TCP: return "tcp";
dc235f7f 115 case OVS_KEY_ATTR_TCP_FLAGS: return "tcp_flags";
744791b5 116 case OVS_KEY_ATTR_UDP: return "udp";
c6bcb685 117 case OVS_KEY_ATTR_SCTP: return "sctp";
744791b5
BP		 118 case OVS_KEY_ATTR_ICMP: return "icmp";
119 case OVS_KEY_ATTR_ICMPV6: return "icmpv6";
120 case OVS_KEY_ATTR_ARP: return "arp";
121 case OVS_KEY_ATTR_ND: return "nd";
b02475c5 122 case OVS_KEY_ATTR_MPLS: return "mpls";
572f732a
AZ		 123 case OVS_KEY_ATTR_DP_HASH: return "dp_hash";
124 case OVS_KEY_ATTR_RECIRC_ID: return "recirc_id";
744791b5
BP		 125
126 case __OVS_KEY_ATTR_MAX:
127 default:
e6603631
BP		 128 snprintf(namebuf, bufsize, "key%u", (unsigned int) attr);
129 return namebuf;
744791b5
BP		 130 }
131}
132
cdee00fd
BP		 133static void
134format_generic_odp_action(struct ds *ds, const struct nlattr *a)
135{
8ba43fbd
BP		 136 size_t len = nl_attr_get_size(a);
137
cdee00fd 138 ds_put_format(ds, "action%"PRId16, nl_attr_type(a));
8ba43fbd 139 if (len) {
cdee00fd
BP		 140 const uint8_t *unspec;
141 unsigned int i;
142
143 unspec = nl_attr_get(a);
8ba43fbd 144 for (i = 0; i < len; i++) {
cdee00fd
BP		 145 ds_put_char(ds, i ? ' ': '(');
146 ds_put_format(ds, "%02x", unspec[i]);
147 }
148 ds_put_char(ds, ')');
149 }
150}
151
6ff686f2
PS		 152static void
153format_odp_sample_action(struct ds *ds, const struct nlattr *attr)
154{
155 static const struct nl_policy ovs_sample_policy[] = {
3548d242
BP		 156 [OVS_SAMPLE_ATTR_PROBABILITY] = { .type = NL_A_U32 },
157 [OVS_SAMPLE_ATTR_ACTIONS] = { .type = NL_A_NESTED }
6ff686f2
PS		 158 };
159 struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)];
6ff686f2
PS		 160 double percentage;
161 const struct nlattr *nla_acts;
162 int len;
163
164 ds_put_cstr(ds, "sample");
165
5621afff 166 if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) {
6ff686f2
PS		 167 ds_put_cstr(ds, "(error)");
168 return;
169 }
170
171 percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) /
172 UINT32_MAX;
173
174 ds_put_format(ds, "(sample=%.1f%%,", percentage);
175
176 ds_put_cstr(ds, "actions(");
177 nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]);
178 len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]);
179 format_odp_actions(ds, nla_acts, len);
180 ds_put_format(ds, "))");
181}
182
6a7e895f 183static const char *
04594cd5 184slow_path_reason_to_string(uint32_t reason)
6a7e895f 185{
04594cd5
BP		 186 switch ((enum slow_path_reason) reason) {
187#define SPR(ENUM, STRING, EXPLANATION) case ENUM: return STRING;
188 SLOW_PATH_REASONS
189#undef SPR
6a7e895f 190 }
04594cd5
BP		 191
192 return NULL;
6a7e895f
BP		 193}
194
04594cd5
BP		 195const char *
196slow_path_reason_to_explanation(enum slow_path_reason reason)
98f0520f 197{
04594cd5
BP		 198 switch (reason) {
199#define SPR(ENUM, STRING, EXPLANATION) case ENUM: return EXPLANATION;
200 SLOW_PATH_REASONS
201#undef SPR
98f0520f
EJ		 202 }
203
04594cd5 204 return "<unknown>";
98f0520f
EJ		 205}
206
ec956fc7
PS		 207static int
208parse_flags(const char *s, const char *(*bit_to_string)(uint32_t),
209 uint32_t *res)
210{
211 uint32_t result = 0;
212 int n = 0;
213
214 if (s[n] != '(') {
215 return -EINVAL;
216 }
217 n++;
218
219 while (s[n] != ')') {
220 unsigned long long int flags;
221 uint32_t bit;
222 int n0;
223
c2c28dfd 224 if (ovs_scan(&s[n], "%lli%n", &flags, &n0)) {
ec956fc7
PS		 225 n += n0 + (s[n + n0] == ',');
226 result |= flags;
227 continue;
228 }
229
230 for (bit = 1; bit; bit <<= 1) {
231 const char *name = bit_to_string(bit);
232 size_t len;
233
234 if (!name) {
235 continue;
236 }
237
238 len = strlen(name);
239 if (!strncmp(s + n, name, len) &&
240 (s[n + len] == ',' || s[n + len] == ')')) {
241 result |= bit;
242 n += len + (s[n + len] == ',');
243 break;
244 }
245 }
246
247 if (!bit) {
248 return -EINVAL;
249 }
250 }
251 n++;
252
253 *res = result;
254 return n;
6a7e895f
BP		 255}
256
98403001
BP		 257static void
258format_odp_userspace_action(struct ds *ds, const struct nlattr *attr)
259{
260 static const struct nl_policy ovs_userspace_policy[] = {
3548d242
BP		 261 [OVS_USERSPACE_ATTR_PID] = { .type = NL_A_U32 },
262 [OVS_USERSPACE_ATTR_USERDATA] = { .type = NL_A_UNSPEC,
263 .optional = true },
98403001
BP		 264 };
265 struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)];
e995e3df 266 const struct nlattr *userdata_attr;
98403001
BP		 267
268 if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) {
269 ds_put_cstr(ds, "userspace(error)");
270 return;
271 }
272
273 ds_put_format(ds, "userspace(pid=%"PRIu32,
274 nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID]));
275
e995e3df 276 userdata_attr = a[OVS_USERSPACE_ATTR_USERDATA];
29089a54
RL		 277
278 if (userdata_attr) {
279 const uint8_t *userdata = nl_attr_get(userdata_attr);
280 size_t userdata_len = nl_attr_get_size(userdata_attr);
281 bool userdata_unspec = true;
1673e0e4 282 union user_action_cookie cookie;
98403001 283
29089a54
RL		 284 if (userdata_len >= sizeof cookie.type
285 && userdata_len <= sizeof cookie) {
286
287 memset(&cookie, 0, sizeof cookie);
288 memcpy(&cookie, userdata, userdata_len);
289
290 userdata_unspec = false;
291
292 if (userdata_len == sizeof cookie.sflow
293 && cookie.type == USER_ACTION_COOKIE_SFLOW) {
294 ds_put_format(ds, ",sFlow("
295 "vid=%"PRIu16",pcp=%"PRIu8",output=%"PRIu32")",
296 vlan_tci_to_vid(cookie.sflow.vlan_tci),
297 vlan_tci_to_pcp(cookie.sflow.vlan_tci),
298 cookie.sflow.output);
299 } else if (userdata_len == sizeof cookie.slow_path
300 && cookie.type == USER_ACTION_COOKIE_SLOW_PATH) {
04594cd5
BP		 301 ds_put_cstr(ds, ",slow_path(");
302 format_flags(ds, slow_path_reason_to_string,
303 cookie.slow_path.reason, ',');
304 ds_put_format(ds, ")");
29089a54
RL		 305 } else if (userdata_len == sizeof cookie.flow_sample
306 && cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) {
307 ds_put_format(ds, ",flow_sample(probability=%"PRIu16
308 ",collector_set_id=%"PRIu32
309 ",obs_domain_id=%"PRIu32
310 ",obs_point_id=%"PRIu32")",
311 cookie.flow_sample.probability,
312 cookie.flow_sample.collector_set_id,
313 cookie.flow_sample.obs_domain_id,
314 cookie.flow_sample.obs_point_id);
b075a9b8 315 } else if (userdata_len >= sizeof cookie.ipfix
29089a54
RL		 316 && cookie.type == USER_ACTION_COOKIE_IPFIX) {
317 ds_put_format(ds, ",ipfix");
318 } else {
319 userdata_unspec = true;
320 }
98403001 321 }
e995e3df 322
29089a54
RL		 323 if (userdata_unspec) {
324 size_t i;
325 ds_put_format(ds, ",userdata(");
326 for (i = 0; i < userdata_len; i++) {
327 ds_put_format(ds, "%02x", userdata[i]);
328 }
329 ds_put_char(ds, ')');
e995e3df 330 }
98403001
BP		 331 }
332
333 ds_put_char(ds, ')');
334}
335
8ddc056d
BP		 336static void
337format_vlan_tci(struct ds *ds, ovs_be16 vlan_tci)
338{
339 ds_put_format(ds, "vid=%"PRIu16",pcp=%d",
340 vlan_tci_to_vid(vlan_tci),
341 vlan_tci_to_pcp(vlan_tci));
342 if (!(vlan_tci & htons(VLAN_CFI))) {
343 ds_put_cstr(ds, ",cfi=0");
344 }
345}
346
b02475c5
SH		 347static void
348format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse)
349{
350 ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d",
351 mpls_lse_to_label(mpls_lse),
352 mpls_lse_to_tc(mpls_lse),
353 mpls_lse_to_ttl(mpls_lse),
354 mpls_lse_to_bos(mpls_lse));
355}
356
e6cc0bab
AZ		 357static void
358format_mpls(struct ds *ds, const struct ovs_key_mpls *mpls_key,
8bfd0fda 359 const struct ovs_key_mpls *mpls_mask, int n)
e6cc0bab 360{
8bfd0fda
BP		 361 if (n == 1) {
362 ovs_be32 key = mpls_key->mpls_lse;
e6cc0bab 363
8bfd0fda
BP		 364 if (mpls_mask == NULL) {
365 format_mpls_lse(ds, key);
366 } else {
367 ovs_be32 mask = mpls_mask->mpls_lse;
368
369 ds_put_format(ds, "label=%"PRIu32"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x",
370 mpls_lse_to_label(key), mpls_lse_to_label(mask),
371 mpls_lse_to_tc(key), mpls_lse_to_tc(mask),
372 mpls_lse_to_ttl(key), mpls_lse_to_ttl(mask),
373 mpls_lse_to_bos(key), mpls_lse_to_bos(mask));
374 }
e6cc0bab 375 } else {
8bfd0fda 376 int i;
e6cc0bab 377
8bfd0fda
BP		 378 for (i = 0; i < n; i++) {
379 ds_put_format(ds, "lse%d=%#"PRIx32,
380 i, ntohl(mpls_key[i].mpls_lse));
381 if (mpls_mask) {
382 ds_put_format(ds, "/%#"PRIx32, ntohl(mpls_mask[i].mpls_lse));
383 }
384 ds_put_char(ds, ',');
385 }
386 ds_chomp(ds, ',');
e6cc0bab
AZ		 387 }
388}
389
572f732a 390static void
347bf289 391format_odp_recirc_action(struct ds *ds, uint32_t recirc_id)
572f732a 392{
347bf289
AZ		 393 ds_put_format(ds, "recirc(%"PRIu32")", recirc_id);
394}
572f732a 395
347bf289
AZ		 396static void
397format_odp_hash_action(struct ds *ds, const struct ovs_action_hash *hash_act)
398{
399 ds_put_format(ds, "hash(");
572f732a 400
347bf289 401 if (hash_act->hash_alg == OVS_HASH_ALG_L4) {
62ac1f20 402 ds_put_format(ds, "hash_l4(%"PRIu32")", hash_act->hash_basis);
347bf289
AZ		 403 } else {
404 ds_put_format(ds, "Unknown hash algorithm(%"PRIu32")",
405 hash_act->hash_alg);
406 }
407 ds_put_format(ds, ")");
572f732a
AZ		 408}
409
4edb9ae9 410static void
cdee00fd 411format_odp_action(struct ds *ds, const struct nlattr *a)
064af421 412{
98403001 413 int expected_len;
4edb9ae9 414 enum ovs_action_attr type = nl_attr_type(a);
fea393b1 415 const struct ovs_action_push_vlan *vlan;
cdee00fd 416
98403001
BP		 417 expected_len = odp_action_len(nl_attr_type(a));
418 if (expected_len != -2 && nl_attr_get_size(a) != expected_len) {
34582733 419 ds_put_format(ds, "bad length %"PRIuSIZE", expected %d for: ",
98403001 420 nl_attr_get_size(a), expected_len);
cdee00fd
BP		 421 format_generic_odp_action(ds, a);
422 return;
423 }
424
4edb9ae9 425 switch (type) {
df2c07f4 426 case OVS_ACTION_ATTR_OUTPUT:
26ce7705 427 ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
064af421 428 break;
df2c07f4 429 case OVS_ACTION_ATTR_USERSPACE:
98403001 430 format_odp_userspace_action(ds, a);
064af421 431 break;
572f732a 432 case OVS_ACTION_ATTR_RECIRC:
347bf289
AZ		 433 format_odp_recirc_action(ds, nl_attr_get_u32(a));
434 break;
435 case OVS_ACTION_ATTR_HASH:
436 format_odp_hash_action(ds, nl_attr_get(a));
572f732a 437 break;
4edb9ae9
PS		 438 case OVS_ACTION_ATTR_SET:
439 ds_put_cstr(ds, "set(");
0a37839c 440 format_odp_key_attr(nl_attr_get(a), NULL, NULL, ds, true);
4edb9ae9 441 ds_put_cstr(ds, ")");
064af421 442 break;
fea393b1
BP		 443 case OVS_ACTION_ATTR_PUSH_VLAN:
444 vlan = nl_attr_get(a);
445 ds_put_cstr(ds, "push_vlan(");
446 if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) {
447 ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid));
448 }
8ddc056d
BP		 449 format_vlan_tci(ds, vlan->vlan_tci);
450 ds_put_char(ds, ')');
064af421 451 break;
fea393b1
BP		 452 case OVS_ACTION_ATTR_POP_VLAN:
453 ds_put_cstr(ds, "pop_vlan");
064af421 454 break;
b02475c5
SH		 455 case OVS_ACTION_ATTR_PUSH_MPLS: {
456 const struct ovs_action_push_mpls *mpls = nl_attr_get(a);
457 ds_put_cstr(ds, "push_mpls(");
458 format_mpls_lse(ds, mpls->mpls_lse);
459 ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype));
460 break;
461 }
462 case OVS_ACTION_ATTR_POP_MPLS: {
463 ovs_be16 ethertype = nl_attr_get_be16(a);
464 ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype));
465 break;
466 }
6ff686f2
PS		 467 case OVS_ACTION_ATTR_SAMPLE:
468 format_odp_sample_action(ds, a);
469 break;
4edb9ae9
PS		 470 case OVS_ACTION_ATTR_UNSPEC:
471 case __OVS_ACTION_ATTR_MAX:
064af421 472 default:
cdee00fd 473 format_generic_odp_action(ds, a);
064af421
BP		 474 break;
475 }
476}
477
478void
cdee00fd 479format_odp_actions(struct ds *ds, const struct nlattr *actions,
cf22f8cb 480 size_t actions_len)
064af421 481{
cdee00fd
BP		 482 if (actions_len) {
483 const struct nlattr *a;
484 unsigned int left;
485
486 NL_ATTR_FOR_EACH (a, left, actions, actions_len) {
487 if (a != actions) {
488 ds_put_char(ds, ',');
489 }
490 format_odp_action(ds, a);
064af421 491 }
cdee00fd 492 if (left) {
3a8cfc50
BP		 493 int i;
494
3476fce3
BP		 495 if (left == actions_len) {
496 ds_put_cstr(ds, "<empty>");
497 }
3a8cfc50
BP		 498 ds_put_format(ds, ",***%u leftover bytes*** (", left);
499 for (i = 0; i < left; i++) {
500 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
501 }
502 ds_put_char(ds, ')');
cdee00fd
BP		 503 }
504 } else {
064af421
BP		 505 ds_put_cstr(ds, "drop");
506 }
507}
7202cbe5
BP		 508
509static int
44bac24b 510parse_odp_action(const char *s, const struct simap *port_names,
7202cbe5
BP		 511 struct ofpbuf *actions)
512{
7202cbe5 513 {
c2c28dfd
BP		 514 uint32_t port;
515 int n;
7202cbe5 516
c2c28dfd 517 if (ovs_scan(s, "%"SCNi32"%n", &port, &n)) {
7202cbe5
BP		 518 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port);
519 return n;
520 }
521 }
522
523 if (port_names) {
524 int len = strcspn(s, delimiters);
44bac24b 525 struct simap_node *node;
7202cbe5 526
44bac24b 527 node = simap_find_len(port_names, s, len);
7202cbe5 528 if (node) {
44bac24b 529 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data);
7202cbe5
BP		 530 return len;
531 }
532 }
533
534 {
c2c28dfd
BP		 535 uint32_t pid;
536 uint32_t output;
537 uint32_t probability;
538 uint32_t collector_set_id;
539 uint32_t obs_domain_id;
540 uint32_t obs_point_id;
7202cbe5
BP		 541 int vid, pcp;
542 int n = -1;
543
c2c28dfd 544 if (ovs_scan(s, "userspace(pid=%"SCNi32")%n", &pid, &n)) {
e995e3df 545 odp_put_userspace_action(pid, NULL, 0, actions);
7202cbe5 546 return n;
c2c28dfd
BP		 547 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",sFlow(vid=%i,"
548 "pcp=%i,output=%"SCNi32"))%n",
549 &pid, &vid, &pcp, &output, &n)) {
1673e0e4 550 union user_action_cookie cookie;
7202cbe5
BP		 551 uint16_t tci;
552
553 tci = vid | (pcp << VLAN_PCP_SHIFT);
554 if (tci) {
555 tci |= VLAN_CFI;
556 }
557
558 cookie.type = USER_ACTION_COOKIE_SFLOW;
1673e0e4
BP		 559 cookie.sflow.vlan_tci = htons(tci);
560 cookie.sflow.output = output;
29089a54
RL		 561 odp_put_userspace_action(pid, &cookie, sizeof cookie.sflow,
562 actions);
6a7e895f 563 return n;
c2c28dfd
BP		 564 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",slow_path%n",
565 &pid, &n)) {
6a7e895f 566 union user_action_cookie cookie;
04594cd5 567 int res;
6a7e895f
BP		 568
569 cookie.type = USER_ACTION_COOKIE_SLOW_PATH;
570 cookie.slow_path.unused = 0;
04594cd5 571 cookie.slow_path.reason = 0;
6a7e895f 572
04594cd5
BP		 573 res = parse_flags(&s[n], slow_path_reason_to_string,
574 &cookie.slow_path.reason);
575 if (res < 0) {
576 return res;
577 }
578 n += res;
579 if (s[n] != ')') {
6a7e895f
BP		 580 return -EINVAL;
581 }
04594cd5 582 n++;
6a7e895f 583
29089a54
RL		 584 odp_put_userspace_action(pid, &cookie, sizeof cookie.slow_path,
585 actions);
586 return n;
c2c28dfd
BP		 587 } else if (ovs_scan(s, "userspace(pid=%"SCNi32","
588 "flow_sample(probability=%"SCNi32","
589 "collector_set_id=%"SCNi32","
590 "obs_domain_id=%"SCNi32","
591 "obs_point_id=%"SCNi32"))%n",
592 &pid, &probability, &collector_set_id,
593 &obs_domain_id, &obs_point_id, &n)) {
29089a54
RL		 594 union user_action_cookie cookie;
595
596 cookie.type = USER_ACTION_COOKIE_FLOW_SAMPLE;
597 cookie.flow_sample.probability = probability;
598 cookie.flow_sample.collector_set_id = collector_set_id;
599 cookie.flow_sample.obs_domain_id = obs_domain_id;
600 cookie.flow_sample.obs_point_id = obs_point_id;
601 odp_put_userspace_action(pid, &cookie, sizeof cookie.flow_sample,
602 actions);
7202cbe5 603 return n;
c2c28dfd 604 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",ipfix)%n", &pid, &n)) {
29089a54 605 union user_action_cookie cookie;
7202cbe5 606
29089a54
RL		 607 cookie.type = USER_ACTION_COOKIE_IPFIX;
608 odp_put_userspace_action(pid, &cookie, sizeof cookie.ipfix,
e995e3df 609 actions);
7202cbe5 610 return n;
c2c28dfd
BP		 611 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",userdata(%n",
612 &pid, &n)) {
e995e3df
BP		 613 struct ofpbuf buf;
614 char *end;
615
616 ofpbuf_init(&buf, 16);
617 end = ofpbuf_put_hex(&buf, &s[n], NULL);
618 if (end[0] == ')' && end[1] == ')') {
1f317cb5 619 odp_put_userspace_action(pid, ofpbuf_data(&buf), ofpbuf_size(&buf), actions);
e995e3df
BP		 620 ofpbuf_uninit(&buf);
621 return (end + 2) - s;
622 }
7202cbe5
BP		 623 }
624 }
625
626 if (!strncmp(s, "set(", 4)) {
627 size_t start_ofs;
628 int retval;
629
630 start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET);
e6cc0bab 631 retval = parse_odp_key_mask_attr(s + 4, port_names, actions, NULL);
7202cbe5
BP		 632 if (retval < 0) {
633 return retval;
634 }
635 if (s[retval + 4] != ')') {
636 return -EINVAL;
637 }
638 nl_msg_end_nested(actions, start_ofs);
639 return retval + 5;
640 }
641
becffb86
BP		 642 {
643 struct ovs_action_push_vlan push;
644 int tpid = ETH_TYPE_VLAN;
645 int vid, pcp;
646 int cfi = 1;
647 int n = -1;
7202cbe5 648
c2c28dfd
BP		 649 if (ovs_scan(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n)
650 || ovs_scan(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n",
651 &vid, &pcp, &cfi, &n)
652 || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n",
653 &tpid, &vid, &pcp, &n)
654 || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n",
655 &tpid, &vid, &pcp, &cfi, &n)) {
becffb86
BP		 656 push.vlan_tpid = htons(tpid);
657 push.vlan_tci = htons((vid << VLAN_VID_SHIFT)
658 | (pcp << VLAN_PCP_SHIFT)
659 | (cfi ? VLAN_CFI : 0));
660 nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN,
661 &push, sizeof push);
662
663 return n;
7202cbe5 664 }
7202cbe5
BP		 665 }
666
becffb86
BP		 667 if (!strncmp(s, "pop_vlan", 8)) {
668 nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN);
669 return 8;
7202cbe5
BP		 670 }
671
672 {
673 double percentage;
674 int n = -1;
675
c2c28dfd
BP		 676 if (ovs_scan(s, "sample(sample=%lf%%,actions(%n", &percentage, &n)
677 && percentage >= 0. && percentage <= 100.0) {
7202cbe5
BP		 678 size_t sample_ofs, actions_ofs;
679 double probability;
680
681 probability = floor(UINT32_MAX * (percentage / 100.0) + .5);
682 sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE);
683 nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY,
684 (probability <= 0 ? 0
685 : probability >= UINT32_MAX ? UINT32_MAX
686 : probability));
687
688 actions_ofs = nl_msg_start_nested(actions,
689 OVS_SAMPLE_ATTR_ACTIONS);
690 for (;;) {
691 int retval;
692
79d4ffe2 693 n += strspn(s + n, delimiters);
7202cbe5
BP		 694 if (s[n] == ')') {
695 break;
696 }
697
698 retval = parse_odp_action(s + n, port_names, actions);
699 if (retval < 0) {
700 return retval;
701 }
702 n += retval;
7202cbe5
BP		 703 }
704 nl_msg_end_nested(actions, actions_ofs);
705 nl_msg_end_nested(actions, sample_ofs);
706
707 return s[n + 1] == ')' ? n + 2 : -EINVAL;
708 }
709 }
710
711 return -EINVAL;
712}
713
714/* Parses the string representation of datapath actions, in the format output
715 * by format_odp_action(). Returns 0 if successful, otherwise a positive errno
716 * value. On success, the ODP actions are appended to 'actions' as a series of
717 * Netlink attributes. On failure, no data is appended to 'actions'. Either
718 * way, 'actions''s data might be reallocated. */
719int
44bac24b 720odp_actions_from_string(const char *s, const struct simap *port_names,
7202cbe5
BP		 721 struct ofpbuf *actions)
722{
723 size_t old_size;
724
725 if (!strcasecmp(s, "drop")) {
726 return 0;
727 }
728
1f317cb5 729 old_size = ofpbuf_size(actions);
7202cbe5
BP		 730 for (;;) {
731 int retval;
732
733 s += strspn(s, delimiters);
734 if (!*s) {
735 return 0;
736 }
737
738 retval = parse_odp_action(s, port_names, actions);
739 if (retval < 0 || !strchr(delimiters, s[retval])) {
1f317cb5 740 ofpbuf_set_size(actions, old_size);
7202cbe5
BP		 741 return -retval;
742 }
743 s += retval;
744 }
745
746 return 0;
747}
14608a15 748\f
36956a7d 749/* Returns the correct length of the payload for a flow key attribute of the
fea393b1
BP		 750 * specified 'type', -1 if 'type' is unknown, or -2 if the attribute's payload
751 * is variable length. */
36956a7d
BP		 752static int
753odp_flow_key_attr_len(uint16_t type)
754{
df2c07f4 755 if (type > OVS_KEY_ATTR_MAX) {
36956a7d
BP		 756 return -1;
757 }
758
09ded0ad 759 switch ((enum ovs_key_attr) type) {
fea393b1 760 case OVS_KEY_ATTR_ENCAP: return -2;
abff858b 761 case OVS_KEY_ATTR_PRIORITY: return 4;
72e8bf28 762 case OVS_KEY_ATTR_SKB_MARK: return 4;
572f732a
AZ		 763 case OVS_KEY_ATTR_DP_HASH: return 4;
764 case OVS_KEY_ATTR_RECIRC_ID: return 4;
9b405f1a 765 case OVS_KEY_ATTR_TUNNEL: return -2;
df2c07f4
JP		 766 case OVS_KEY_ATTR_IN_PORT: return 4;
767 case OVS_KEY_ATTR_ETHERNET: return sizeof(struct ovs_key_ethernet);
fea393b1 768 case OVS_KEY_ATTR_VLAN: return sizeof(ovs_be16);
df2c07f4 769 case OVS_KEY_ATTR_ETHERTYPE: return 2;
8bfd0fda 770 case OVS_KEY_ATTR_MPLS: return -2;
df2c07f4
JP		 771 case OVS_KEY_ATTR_IPV4: return sizeof(struct ovs_key_ipv4);
772 case OVS_KEY_ATTR_IPV6: return sizeof(struct ovs_key_ipv6);
773 case OVS_KEY_ATTR_TCP: return sizeof(struct ovs_key_tcp);
dc235f7f 774 case OVS_KEY_ATTR_TCP_FLAGS: return 2;
df2c07f4 775 case OVS_KEY_ATTR_UDP: return sizeof(struct ovs_key_udp);
c6bcb685 776 case OVS_KEY_ATTR_SCTP: return sizeof(struct ovs_key_sctp);
df2c07f4
JP		 777 case OVS_KEY_ATTR_ICMP: return sizeof(struct ovs_key_icmp);
778 case OVS_KEY_ATTR_ICMPV6: return sizeof(struct ovs_key_icmpv6);
779 case OVS_KEY_ATTR_ARP: return sizeof(struct ovs_key_arp);
780 case OVS_KEY_ATTR_ND: return sizeof(struct ovs_key_nd);
781
782 case OVS_KEY_ATTR_UNSPEC:
783 case __OVS_KEY_ATTR_MAX:
36956a7d
BP		 784 return -1;
785 }
786
787 return -1;
788}
789
36956a7d
BP		 790static void
791format_generic_odp_key(const struct nlattr *a, struct ds *ds)
792{
793 size_t len = nl_attr_get_size(a);
36956a7d
BP		 794 if (len) {
795 const uint8_t *unspec;
796 unsigned int i;
797
798 unspec = nl_attr_get(a);
799 for (i = 0; i < len; i++) {
e6cc0bab
AZ		 800 if (i) {
801 ds_put_char(ds, ' ');
802 }
36956a7d
BP		 803 ds_put_format(ds, "%02x", unspec[i]);
804 }
36956a7d
BP		 805 }
806}
807
7257b535
BP		 808static const char *
809ovs_frag_type_to_string(enum ovs_frag_type type)
810{
811 switch (type) {
812 case OVS_FRAG_TYPE_NONE:
813 return "no";
814 case OVS_FRAG_TYPE_FIRST:
815 return "first";
816 case OVS_FRAG_TYPE_LATER:
817 return "later";
818 case __OVS_FRAG_TYPE_MAX:
819 default:
820 return "<error>";
821 }
822}
823
9b405f1a
PS		 824static int
825tunnel_key_attr_len(int type)
29c7a2b2 826{
9b405f1a
PS		 827 switch (type) {
828 case OVS_TUNNEL_KEY_ATTR_ID: return 8;
829 case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: return 4;
830 case OVS_TUNNEL_KEY_ATTR_IPV4_DST: return 4;
831 case OVS_TUNNEL_KEY_ATTR_TOS: return 1;
832 case OVS_TUNNEL_KEY_ATTR_TTL: return 1;
833 case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: return 0;
834 case OVS_TUNNEL_KEY_ATTR_CSUM: return 0;
835 case __OVS_TUNNEL_KEY_ATTR_MAX:
836 return -1;
29c7a2b2 837 }
9b405f1a
PS		 838 return -1;
839}
840
617e10e7
SH		 841enum odp_key_fitness
842odp_tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun)
9b405f1a
PS		 843{
844 unsigned int left;
845 const struct nlattr *a;
846 bool ttl = false;
847 bool unknown = false;
848
849 NL_NESTED_FOR_EACH(a, left, attr) {
850 uint16_t type = nl_attr_type(a);
851 size_t len = nl_attr_get_size(a);
852 int expected_len = tunnel_key_attr_len(type);
853
854 if (len != expected_len && expected_len >= 0) {
855 return ODP_FIT_ERROR;
856 }
857
858 switch (type) {
859 case OVS_TUNNEL_KEY_ATTR_ID:
860 tun->tun_id = nl_attr_get_be64(a);
861 tun->flags |= FLOW_TNL_F_KEY;
862 break;
863 case OVS_TUNNEL_KEY_ATTR_IPV4_SRC:
864 tun->ip_src = nl_attr_get_be32(a);
865 break;
866 case OVS_TUNNEL_KEY_ATTR_IPV4_DST:
867 tun->ip_dst = nl_attr_get_be32(a);
868 break;
869 case OVS_TUNNEL_KEY_ATTR_TOS:
870 tun->ip_tos = nl_attr_get_u8(a);
871 break;
872 case OVS_TUNNEL_KEY_ATTR_TTL:
873 tun->ip_ttl = nl_attr_get_u8(a);
874 ttl = true;
875 break;
876 case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT:
877 tun->flags |= FLOW_TNL_F_DONT_FRAGMENT;
878 break;
879 case OVS_TUNNEL_KEY_ATTR_CSUM:
880 tun->flags |= FLOW_TNL_F_CSUM;
881 break;
882 default:
883 /* Allow this to show up as unexpected, if there are unknown
884 * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */
885 unknown = true;
886 break;
887 }
888 }
889
890 if (!ttl) {
891 return ODP_FIT_ERROR;
892 }
893 if (unknown) {
758c456d 894 return ODP_FIT_TOO_MUCH;
9b405f1a
PS		 895 }
896 return ODP_FIT_PERFECT;
897}
898
899static void
900tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key)
901{
902 size_t tun_key_ofs;
903
904 tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL);
905
27a8cbbc
BP		 906 /* tun_id != 0 without FLOW_TNL_F_KEY is valid if tun_key is a mask. */
907 if (tun_key->tun_id || tun_key->flags & FLOW_TNL_F_KEY) {
9b405f1a
PS		 908 nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id);
909 }
910 if (tun_key->ip_src) {
911 nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src);
912 }
913 if (tun_key->ip_dst) {
914 nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst);
915 }
916 if (tun_key->ip_tos) {
917 nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos);
918 }
919 nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl);
920 if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) {
921 nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT);
922 }
923 if (tun_key->flags & FLOW_TNL_F_CSUM) {
924 nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM);
925 }
926
927 nl_msg_end_nested(a, tun_key_ofs);
29c7a2b2
PS		 928}
929
041e7168
AZ		 930static bool
931odp_mask_attr_is_wildcard(const struct nlattr *ma)
932{
933 return is_all_zeros(nl_attr_get(ma), nl_attr_get_size(ma));
934}
935
e6cc0bab
AZ		 936static bool
937odp_mask_attr_is_exact(const struct nlattr *ma)
938{
939 bool is_exact = false;
940 enum ovs_key_attr attr = nl_attr_type(ma);
941
942 if (attr == OVS_KEY_ATTR_TUNNEL) {
943 /* XXX this is a hack for now. Should change
944 * the exact match dection to per field
945 * instead of per attribute.
946 */
947 struct flow_tnl tun_mask;
948 memset(&tun_mask, 0, sizeof tun_mask);
949 odp_tun_key_from_attr(ma, &tun_mask);
950 if (tun_mask.flags == (FLOW_TNL_F_KEY
951 | FLOW_TNL_F_DONT_FRAGMENT
952 | FLOW_TNL_F_CSUM)) {
953 /* The flags are exact match, check the remaining fields. */
954 tun_mask.flags = 0xffff;
955 is_exact = is_all_ones((uint8_t *)&tun_mask,
956 offsetof(struct flow_tnl, ip_ttl));
957 }
958 } else {
959 is_exact = is_all_ones(nl_attr_get(ma), nl_attr_get_size(ma));
960 }
961
962 return is_exact;
963}
964
0a37839c
GS		 965void
966odp_portno_names_set(struct hmap *portno_names, odp_port_t port_no,
967 char *port_name)
968{
969 struct odp_portno_names *odp_portno_names;
970
971 odp_portno_names = xmalloc(sizeof *odp_portno_names);
972 odp_portno_names->port_no = port_no;
973 odp_portno_names->name = xstrdup(port_name);
974 hmap_insert(portno_names, &odp_portno_names->hmap_node,
975 hash_odp_port(port_no));
976}
977
978static char *
979odp_portno_names_get(const struct hmap *portno_names, odp_port_t port_no)
980{
981 struct odp_portno_names *odp_portno_names;
982
983 HMAP_FOR_EACH_IN_BUCKET (odp_portno_names, hmap_node,
984 hash_odp_port(port_no), portno_names) {
985 if (odp_portno_names->port_no == port_no) {
986 return odp_portno_names->name;
987 }
988 }
989 return NULL;
990}
991
992void
993odp_portno_names_destroy(struct hmap *portno_names)
994{
995 struct odp_portno_names *odp_portno_names, *odp_portno_names_next;
996 HMAP_FOR_EACH_SAFE (odp_portno_names, odp_portno_names_next,
997 hmap_node, portno_names) {
998 hmap_remove(portno_names, &odp_portno_names->hmap_node);
999 free(odp_portno_names->name);
1000 free(odp_portno_names);
1001 }
1002}
e6cc0bab 1003
36956a7d 1004static void
e6cc0bab 1005format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma,
0a37839c
GS		 1006 const struct hmap *portno_names, struct ds *ds,
1007 bool verbose)
36956a7d 1008{
9b405f1a 1009 struct flow_tnl tun_key;
7a8e9ed2 1010 enum ovs_key_attr attr = nl_attr_type(a);
e6603631 1011 char namebuf[OVS_KEY_ATTR_BUFSIZE];
fea393b1 1012 int expected_len;
dc8c5408 1013 bool is_exact;
36956a7d 1014
dc8c5408 1015 is_exact = ma ? odp_mask_attr_is_exact(ma) : true;
e6cc0bab 1016
e6603631 1017 ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf));
e6cc0bab
AZ		 1018
1019 {
1020 expected_len = odp_flow_key_attr_len(nl_attr_type(a));
1021 if (expected_len != -2) {
1022 bool bad_key_len = nl_attr_get_size(a) != expected_len;
54695350 1023 bool bad_mask_len = ma && nl_attr_get_size(ma) != expected_len;
e6cc0bab
AZ		 1024
1025 if (bad_key_len || bad_mask_len) {
1026 if (bad_key_len) {
34582733 1027 ds_put_format(ds, "(bad key length %"PRIuSIZE", expected %d)(",
54695350 1028 nl_attr_get_size(a), expected_len);
e6cc0bab
AZ		 1029 }
1030 format_generic_odp_key(a, ds);
54695350 1031 if (ma) {
e6cc0bab 1032 ds_put_char(ds, '/');
54695350
JR		 1033 if (bad_mask_len) {
1034 ds_put_format(ds, "(bad mask length %"PRIuSIZE", expected %d)(",
1035 nl_attr_get_size(ma), expected_len);
1036 }
1037 format_generic_odp_key(ma, ds);
e6cc0bab 1038 }
e6cc0bab
AZ		 1039 ds_put_char(ds, ')');
1040 return;
1041 }
1042 }
36956a7d
BP		 1043 }
1044
e6cc0bab 1045 ds_put_char(ds, '(');
7a8e9ed2 1046 switch (attr) {
fea393b1 1047 case OVS_KEY_ATTR_ENCAP:
e6cc0bab
AZ		 1048 if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) {
1049 odp_flow_format(nl_attr_get(a), nl_attr_get_size(a),
0a37839c 1050 nl_attr_get(ma), nl_attr_get_size(ma), NULL, ds,
041e7168 1051 verbose);
0a37839c
GS		 1052 } else if (nl_attr_get_size(a)) {
1053 odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, NULL,
1054 ds, verbose);
fea393b1 1055 }
fea393b1
BP		 1056 break;
1057
abff858b 1058 case OVS_KEY_ATTR_PRIORITY:
72e8bf28 1059 case OVS_KEY_ATTR_SKB_MARK:
572f732a
AZ		 1060 case OVS_KEY_ATTR_DP_HASH:
1061 case OVS_KEY_ATTR_RECIRC_ID:
e6cc0bab 1062 ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a));
dc8c5408 1063 if (!is_exact) {
e6cc0bab
AZ		 1064 ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma));
1065 }
72e8bf28
AA		 1066 break;
1067
9b405f1a
PS		 1068 case OVS_KEY_ATTR_TUNNEL:
1069 memset(&tun_key, 0, sizeof tun_key);
617e10e7 1070 if (odp_tun_key_from_attr(a, &tun_key) == ODP_FIT_ERROR) {
e6cc0bab 1071 ds_put_format(ds, "error");
dc8c5408 1072 } else if (!is_exact) {
e6cc0bab
AZ		 1073 struct flow_tnl tun_mask;
1074
1075 memset(&tun_mask, 0, sizeof tun_mask);
1076 odp_tun_key_from_attr(ma, &tun_mask);
1077 ds_put_format(ds, "tun_id=%#"PRIx64"/%#"PRIx64
1078 ",src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT
1079 ",tos=%#"PRIx8"/%#"PRIx8",ttl=%"PRIu8"/%#"PRIx8
1080 ",flags(",
1081 ntohll(tun_key.tun_id), ntohll(tun_mask.tun_id),
1082 IP_ARGS(tun_key.ip_src), IP_ARGS(tun_mask.ip_src),
1083 IP_ARGS(tun_key.ip_dst), IP_ARGS(tun_mask.ip_dst),
1084 tun_key.ip_tos, tun_mask.ip_tos,
1085 tun_key.ip_ttl, tun_mask.ip_ttl);
1086
1087 format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ',');
1088
1089 /* XXX This code is correct, but enabling it would break the unit
1090 test. Disable it for now until the input parser is fixed.
1091
1092 ds_put_char(ds, '/');
1093 format_flags(ds, flow_tun_flag_to_string, tun_mask.flags, ',');
1094 */
1095 ds_put_char(ds, ')');
9b405f1a 1096 } else {
e6cc0bab 1097 ds_put_format(ds, "tun_id=0x%"PRIx64",src="IP_FMT",dst="IP_FMT","
9b405f1a
PS		 1098 "tos=0x%"PRIx8",ttl=%"PRIu8",flags(",
1099 ntohll(tun_key.tun_id),
1100 IP_ARGS(tun_key.ip_src),
1101 IP_ARGS(tun_key.ip_dst),
1102 tun_key.ip_tos, tun_key.ip_ttl);
1103
e6cc0bab
AZ		 1104 format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ',');
1105 ds_put_char(ds, ')');
9b405f1a 1106 }
356af50b
KM		 1107 break;
1108
df2c07f4 1109 case OVS_KEY_ATTR_IN_PORT:
0a37839c
GS		 1110 if (portno_names && verbose && is_exact) {
1111 char *name = odp_portno_names_get(portno_names,
1112 u32_to_odp(nl_attr_get_u32(a)));
1113 if (name) {
1114 ds_put_format(ds, "%s", name);
1115 } else {
1116 ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
1117 }
1118 } else {
1119 ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
1120 if (!is_exact) {
1121 ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma));
1122 }
e6cc0bab 1123 }
36956a7d
BP		 1124 break;
1125
df2c07f4 1126 case OVS_KEY_ATTR_ETHERNET:
dc8c5408 1127 if (!is_exact) {
e6cc0bab
AZ		 1128 const struct ovs_key_ethernet *eth_mask = nl_attr_get(ma);
1129 const struct ovs_key_ethernet *eth_key = nl_attr_get(a);
1130
1131 ds_put_format(ds, "src="ETH_ADDR_FMT"/"ETH_ADDR_FMT
1132 ",dst="ETH_ADDR_FMT"/"ETH_ADDR_FMT,
1133 ETH_ADDR_ARGS(eth_key->eth_src),
1134 ETH_ADDR_ARGS(eth_mask->eth_src),
1135 ETH_ADDR_ARGS(eth_key->eth_dst),
1136 ETH_ADDR_ARGS(eth_mask->eth_dst));
1137 } else {
1138 const struct ovs_key_ethernet *eth_key = nl_attr_get(a);
1139
1140 ds_put_format(ds, "src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT,
1141 ETH_ADDR_ARGS(eth_key->eth_src),
1142 ETH_ADDR_ARGS(eth_key->eth_dst));
1143 }
36956a7d
BP		 1144 break;
1145
fea393b1 1146 case OVS_KEY_ATTR_VLAN:
e6cc0bab
AZ		 1147 {
1148 ovs_be16 vlan_tci = nl_attr_get_be16(a);
dc8c5408 1149 if (!is_exact) {
e6cc0bab 1150 ovs_be16 mask = nl_attr_get_be16(ma);
2d39507c 1151 ds_put_format(ds, "vid=%"PRIu16"/0x%"PRIx16",pcp=%d/0x%x,cfi=%d/%d",
e6cc0bab
AZ		 1152 vlan_tci_to_vid(vlan_tci),
1153 vlan_tci_to_vid(mask),
1154 vlan_tci_to_pcp(vlan_tci),
b06b6a39 1155 vlan_tci_to_pcp(mask),
e6cc0bab
AZ		 1156 vlan_tci_to_cfi(vlan_tci),
1157 vlan_tci_to_cfi(mask));
1158 } else {
1159 format_vlan_tci(ds, vlan_tci);
1160 }
1161 }
36956a7d
BP		 1162 break;
1163
b02475c5
SH		 1164 case OVS_KEY_ATTR_MPLS: {
1165 const struct ovs_key_mpls *mpls_key = nl_attr_get(a);
e6cc0bab 1166 const struct ovs_key_mpls *mpls_mask = NULL;
8bfd0fda
BP		 1167 size_t size = nl_attr_get_size(a);
1168
1169 if (!size || size % sizeof *mpls_key) {
1170 ds_put_format(ds, "(bad key length %"PRIuSIZE")",
1171 nl_attr_get_size(a));
1172 return;
1173 }
dc8c5408 1174 if (!is_exact) {
e6cc0bab 1175 mpls_mask = nl_attr_get(ma);
8bfd0fda
BP		 1176 if (nl_attr_get_size(a) != nl_attr_get_size(ma)) {
1177 ds_put_format(ds, "(key length %"PRIuSIZE" != "
1178 "mask length %"PRIuSIZE")",
1179 nl_attr_get_size(a), nl_attr_get_size(ma));
1180 return;
1181 }
e6cc0bab 1182 }
8bfd0fda 1183 format_mpls(ds, mpls_key, mpls_mask, size / sizeof *mpls_key);
b02475c5
SH		 1184 break;
1185 }
1186
df2c07f4 1187 case OVS_KEY_ATTR_ETHERTYPE:
e6cc0bab 1188 ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a)));
dc8c5408 1189 if (!is_exact) {
e6cc0bab
AZ		 1190 ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma)));
1191 }
36956a7d
BP		 1192 break;
1193
df2c07f4 1194 case OVS_KEY_ATTR_IPV4:
dc8c5408 1195 if (!is_exact) {
e6cc0bab
AZ		 1196 const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a);
1197 const struct ovs_key_ipv4 *ipv4_mask = nl_attr_get(ma);
1198
1199 ds_put_format(ds, "src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT
1200 ",proto=%"PRIu8"/%#"PRIx8",tos=%#"PRIx8"/%#"PRIx8
1201 ",ttl=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8,
1202 IP_ARGS(ipv4_key->ipv4_src),
1203 IP_ARGS(ipv4_mask->ipv4_src),
1204 IP_ARGS(ipv4_key->ipv4_dst),
1205 IP_ARGS(ipv4_mask->ipv4_dst),
1206 ipv4_key->ipv4_proto, ipv4_mask->ipv4_proto,
1207 ipv4_key->ipv4_tos, ipv4_mask->ipv4_tos,
1208 ipv4_key->ipv4_ttl, ipv4_mask->ipv4_ttl,
1209 ovs_frag_type_to_string(ipv4_key->ipv4_frag),
1210 ipv4_mask->ipv4_frag);
1211 } else {
1212 const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a);
1213
1214 ds_put_format(ds, "src="IP_FMT",dst="IP_FMT",proto=%"PRIu8
1215 ",tos=%#"PRIx8",ttl=%"PRIu8",frag=%s",
1216 IP_ARGS(ipv4_key->ipv4_src),
1217 IP_ARGS(ipv4_key->ipv4_dst),
1218 ipv4_key->ipv4_proto, ipv4_key->ipv4_tos,
1219 ipv4_key->ipv4_ttl,
1220 ovs_frag_type_to_string(ipv4_key->ipv4_frag));
1221 }
36956a7d
BP		 1222 break;
1223
e6cc0bab 1224 case OVS_KEY_ATTR_IPV6:
dc8c5408 1225 if (!is_exact) {
e6cc0bab
AZ		 1226 const struct ovs_key_ipv6 *ipv6_key, *ipv6_mask;
1227 char src_str[INET6_ADDRSTRLEN];
1228 char dst_str[INET6_ADDRSTRLEN];
1229 char src_mask[INET6_ADDRSTRLEN];
1230 char dst_mask[INET6_ADDRSTRLEN];
1231
1232 ipv6_key = nl_attr_get(a);
1233 inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str);
1234 inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str);
1235
1236 ipv6_mask = nl_attr_get(ma);
1237 inet_ntop(AF_INET6, ipv6_mask->ipv6_src, src_mask, sizeof src_mask);
1238 inet_ntop(AF_INET6, ipv6_mask->ipv6_dst, dst_mask, sizeof dst_mask);
1239
1240 ds_put_format(ds, "src=%s/%s,dst=%s/%s,label=%#"PRIx32"/%#"PRIx32
1241 ",proto=%"PRIu8"/%#"PRIx8",tclass=%#"PRIx8"/%#"PRIx8
1242 ",hlimit=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8,
1243 src_str, src_mask, dst_str, dst_mask,
1244 ntohl(ipv6_key->ipv6_label),
1245 ntohl(ipv6_mask->ipv6_label),
1246 ipv6_key->ipv6_proto, ipv6_mask->ipv6_proto,
1247 ipv6_key->ipv6_tclass, ipv6_mask->ipv6_tclass,
1248 ipv6_key->ipv6_hlimit, ipv6_mask->ipv6_hlimit,
1249 ovs_frag_type_to_string(ipv6_key->ipv6_frag),
1250 ipv6_mask->ipv6_frag);
1251 } else {
1252 const struct ovs_key_ipv6 *ipv6_key;
1253 char src_str[INET6_ADDRSTRLEN];
1254 char dst_str[INET6_ADDRSTRLEN];
1255
1256 ipv6_key = nl_attr_get(a);
1257 inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str);
1258 inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str);
1259
1260 ds_put_format(ds, "src=%s,dst=%s,label=%#"PRIx32",proto=%"PRIu8
1261 ",tclass=%#"PRIx8",hlimit=%"PRIu8",frag=%s",
1262 src_str, dst_str, ntohl(ipv6_key->ipv6_label),
1263 ipv6_key->ipv6_proto, ipv6_key->ipv6_tclass,
1264 ipv6_key->ipv6_hlimit,
1265 ovs_frag_type_to_string(ipv6_key->ipv6_frag));
1266 }
d31f1109 1267 break;
d31f1109 1268
df2c07f4 1269 case OVS_KEY_ATTR_TCP:
dc8c5408 1270 if (!is_exact) {
e6cc0bab
AZ		 1271 const struct ovs_key_tcp *tcp_mask = nl_attr_get(ma);
1272 const struct ovs_key_tcp *tcp_key = nl_attr_get(a);
1273
1274 ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
1275 ",dst=%"PRIu16"/%#"PRIx16,
1276 ntohs(tcp_key->tcp_src), ntohs(tcp_mask->tcp_src),
1277 ntohs(tcp_key->tcp_dst), ntohs(tcp_mask->tcp_dst));
1278 } else {
1279 const struct ovs_key_tcp *tcp_key = nl_attr_get(a);
1280
1281 ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16,
1282 ntohs(tcp_key->tcp_src), ntohs(tcp_key->tcp_dst));
1283 }
36956a7d
BP		 1284 break;
1285
dc235f7f
JR		 1286 case OVS_KEY_ATTR_TCP_FLAGS:
1287 ds_put_format(ds, "0x%03"PRIx16, ntohs(nl_attr_get_be16(a)));
1288 if (!is_exact) {
1289 ds_put_format(ds, "/0x%03"PRIx16, ntohs(nl_attr_get_be16(ma)));
1290 }
1291 break;
1292
df2c07f4 1293 case OVS_KEY_ATTR_UDP:
dc8c5408 1294 if (!is_exact) {
e6cc0bab
AZ		 1295 const struct ovs_key_udp *udp_mask = nl_attr_get(ma);
1296 const struct ovs_key_udp *udp_key = nl_attr_get(a);
1297
1298 ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
1299 ",dst=%"PRIu16"/%#"PRIx16,
1300 ntohs(udp_key->udp_src), ntohs(udp_mask->udp_src),
1301 ntohs(udp_key->udp_dst), ntohs(udp_mask->udp_dst));
1302 } else {
1303 const struct ovs_key_udp *udp_key = nl_attr_get(a);
1304
1305 ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16,
1306 ntohs(udp_key->udp_src), ntohs(udp_key->udp_dst));
1307 }
36956a7d
BP		 1308 break;
1309
c6bcb685
JS		 1310 case OVS_KEY_ATTR_SCTP:
1311 if (ma) {
1312 const struct ovs_key_sctp *sctp_mask = nl_attr_get(ma);
1313 const struct ovs_key_sctp *sctp_key = nl_attr_get(a);
1314
1315 ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
1316 ",dst=%"PRIu16"/%#"PRIx16,
1317 ntohs(sctp_key->sctp_src), ntohs(sctp_mask->sctp_src),
1318 ntohs(sctp_key->sctp_dst), ntohs(sctp_mask->sctp_dst));
1319 } else {
1320 const struct ovs_key_sctp *sctp_key = nl_attr_get(a);
1321
61abba80 1322 ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16,
c6bcb685
JS		 1323 ntohs(sctp_key->sctp_src), ntohs(sctp_key->sctp_dst));
1324 }
1325 break;
1326
df2c07f4 1327 case OVS_KEY_ATTR_ICMP:
dc8c5408 1328 if (!is_exact) {
e6cc0bab
AZ		 1329 const struct ovs_key_icmp *icmp_mask = nl_attr_get(ma);
1330 const struct ovs_key_icmp *icmp_key = nl_attr_get(a);
1331
1332 ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8,
1333 icmp_key->icmp_type, icmp_mask->icmp_type,
1334 icmp_key->icmp_code, icmp_mask->icmp_code);
1335 } else {
1336 const struct ovs_key_icmp *icmp_key = nl_attr_get(a);
1337
1338 ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8,
1339 icmp_key->icmp_type, icmp_key->icmp_code);
1340 }
36956a7d
BP		 1341 break;
1342
df2c07f4 1343 case OVS_KEY_ATTR_ICMPV6:
dc8c5408 1344 if (!is_exact) {
e6cc0bab
AZ		 1345 const struct ovs_key_icmpv6 *icmpv6_mask = nl_attr_get(ma);
1346 const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a);
1347
1348 ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8,
1349 icmpv6_key->icmpv6_type, icmpv6_mask->icmpv6_type,
1350 icmpv6_key->icmpv6_code, icmpv6_mask->icmpv6_code);
1351 } else {
1352 const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a);
1353
1354 ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8,
1355 icmpv6_key->icmpv6_type, icmpv6_key->icmpv6_code);
1356 }
d31f1109
JP		 1357 break;
1358
df2c07f4 1359 case OVS_KEY_ATTR_ARP:
dc8c5408 1360 if (!is_exact) {
e6cc0bab
AZ		 1361 const struct ovs_key_arp *arp_mask = nl_attr_get(ma);
1362 const struct ovs_key_arp *arp_key = nl_attr_get(a);
1363
1364 ds_put_format(ds, "sip="IP_FMT"/"IP_FMT",tip="IP_FMT"/"IP_FMT
1365 ",op=%"PRIu16"/%#"PRIx16
1366 ",sha="ETH_ADDR_FMT"/"ETH_ADDR_FMT
1367 ",tha="ETH_ADDR_FMT"/"ETH_ADDR_FMT,
1368 IP_ARGS(arp_key->arp_sip),
1369 IP_ARGS(arp_mask->arp_sip),
1370 IP_ARGS(arp_key->arp_tip),
1371 IP_ARGS(arp_mask->arp_tip),
1372 ntohs(arp_key->arp_op), ntohs(arp_mask->arp_op),
1373 ETH_ADDR_ARGS(arp_key->arp_sha),
1374 ETH_ADDR_ARGS(arp_mask->arp_sha),
1375 ETH_ADDR_ARGS(arp_key->arp_tha),
1376 ETH_ADDR_ARGS(arp_mask->arp_tha));
1377 } else {
1378 const struct ovs_key_arp *arp_key = nl_attr_get(a);
1379
1380 ds_put_format(ds, "sip="IP_FMT",tip="IP_FMT",op=%"PRIu16","
1381 "sha="ETH_ADDR_FMT",tha="ETH_ADDR_FMT,
1382 IP_ARGS(arp_key->arp_sip), IP_ARGS(arp_key->arp_tip),
1383 ntohs(arp_key->arp_op),
1384 ETH_ADDR_ARGS(arp_key->arp_sha),
1385 ETH_ADDR_ARGS(arp_key->arp_tha));
1386 }
36956a7d
BP		 1387 break;
1388
df2c07f4 1389 case OVS_KEY_ATTR_ND: {
dc8c5408 1390 const struct ovs_key_nd *nd_key, *nd_mask = NULL;
685a51a5
JP		 1391 char target[INET6_ADDRSTRLEN];
1392
1393 nd_key = nl_attr_get(a);
dc8c5408
AZ		 1394 if (!is_exact) {
1395 nd_mask = nl_attr_get(ma);
1396 }
e6cc0bab 1397
685a51a5 1398 inet_ntop(AF_INET6, nd_key->nd_target, target, sizeof target);
e6cc0bab 1399 ds_put_format(ds, "target=%s", target);
dc8c5408 1400 if (!is_exact) {
e6cc0bab
AZ		 1401 inet_ntop(AF_INET6, nd_mask->nd_target, target, sizeof target);
1402 ds_put_format(ds, "/%s", target);
1403 }
685a51a5 1404
685a51a5
JP		 1405 if (!eth_addr_is_zero(nd_key->nd_sll)) {
1406 ds_put_format(ds, ",sll="ETH_ADDR_FMT,
1407 ETH_ADDR_ARGS(nd_key->nd_sll));
dc8c5408 1408 if (!is_exact) {
e6cc0bab
AZ		 1409 ds_put_format(ds, "/"ETH_ADDR_FMT,
1410 ETH_ADDR_ARGS(nd_mask->nd_sll));
1411 }
685a51a5
JP		 1412 }
1413 if (!eth_addr_is_zero(nd_key->nd_tll)) {
1414 ds_put_format(ds, ",tll="ETH_ADDR_FMT,
1415 ETH_ADDR_ARGS(nd_key->nd_tll));
dc8c5408 1416 if (!is_exact) {
e6cc0bab
AZ		 1417 ds_put_format(ds, "/"ETH_ADDR_FMT,
1418 ETH_ADDR_ARGS(nd_mask->nd_tll));
1419 }
685a51a5 1420 }
685a51a5
JP		 1421 break;
1422 }
7a8e9ed2
BP		 1423 case OVS_KEY_ATTR_UNSPEC:
1424 case __OVS_KEY_ATTR_MAX:
36956a7d
BP		 1425 default:
1426 format_generic_odp_key(a, ds);
dc8c5408 1427 if (!is_exact) {
e6cc0bab
AZ		 1428 ds_put_char(ds, '/');
1429 format_generic_odp_key(ma, ds);
1430 }
36956a7d
BP		 1431 break;
1432 }
e6cc0bab 1433 ds_put_char(ds, ')');
36956a7d
BP		 1434}
1435
dc8c5408
AZ		 1436static struct nlattr *
1437generate_all_wildcard_mask(struct ofpbuf *ofp, const struct nlattr *key)
1438{
1439 const struct nlattr *a;
1440 unsigned int left;
1441 int type = nl_attr_type(key);
1442 int size = nl_attr_get_size(key);
1443
1444 if (odp_flow_key_attr_len(type) >=0) {
9ddf12cc 1445 nl_msg_put_unspec_zero(ofp, type, size);
dc8c5408
AZ		 1446 } else {
1447 size_t nested_mask;
1448
1449 nested_mask = nl_msg_start_nested(ofp, type);
1450 NL_ATTR_FOR_EACH(a, left, key, nl_attr_get_size(key)) {
1451 generate_all_wildcard_mask(ofp, nl_attr_get(a));
1452 }
1453 nl_msg_end_nested(ofp, nested_mask);
1454 }
1455
1f317cb5 1456 return ofpbuf_base(ofp);
dc8c5408
AZ		 1457}
1458
36956a7d 1459/* Appends to 'ds' a string representation of the 'key_len' bytes of
e6cc0bab 1460 * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the
73580638
GS		 1461 * 'mask_len' bytes of 'mask' which apply to 'key'. If 'portno_names' is
1462 * non-null and 'verbose' is true, translates odp port number to its name. */
14608a15 1463void
e6cc0bab
AZ		 1464odp_flow_format(const struct nlattr *key, size_t key_len,
1465 const struct nlattr *mask, size_t mask_len,
0a37839c 1466 const struct hmap *portno_names, struct ds *ds, bool verbose)
14608a15 1467{
36956a7d
BP		 1468 if (key_len) {
1469 const struct nlattr *a;
1470 unsigned int left;
e6cc0bab
AZ		 1471 bool has_ethtype_key = false;
1472 const struct nlattr *ma = NULL;
dc8c5408 1473 struct ofpbuf ofp;
041e7168 1474 bool first_field = true;
36956a7d 1475
dc8c5408 1476 ofpbuf_init(&ofp, 100);
36956a7d 1477 NL_ATTR_FOR_EACH (a, left, key, key_len) {
041e7168
AZ		 1478 bool is_nested_attr;
1479 bool is_wildcard = false;
1480 int attr_type = nl_attr_type(a);
1481
1482 if (attr_type == OVS_KEY_ATTR_ETHERTYPE) {
e6cc0bab
AZ		 1483 has_ethtype_key = true;
1484 }
041e7168
AZ		 1485
1486 is_nested_attr = (odp_flow_key_attr_len(attr_type) == -2);
1487
e6cc0bab
AZ		 1488 if (mask && mask_len) {
1489 ma = nl_attr_find__(mask, mask_len, nl_attr_type(a));
041e7168
AZ		 1490 is_wildcard = ma ? odp_mask_attr_is_wildcard(ma) : true;
1491 }
1492
1493 if (verbose || !is_wildcard || is_nested_attr) {
1494 if (is_wildcard && !ma) {
dc8c5408
AZ		 1495 ma = generate_all_wildcard_mask(&ofp, a);
1496 }
041e7168
AZ		 1497 if (!first_field) {
1498 ds_put_char(ds, ',');
1499 }
0a37839c 1500 format_odp_key_attr(a, ma, portno_names, ds, verbose);
041e7168 1501 first_field = false;
e6cc0bab 1502 }
dc8c5408 1503 ofpbuf_clear(&ofp);
36956a7d 1504 }
dc8c5408
AZ		 1505 ofpbuf_uninit(&ofp);
1506
36956a7d 1507 if (left) {
3a8cfc50 1508 int i;
1394054e 1509
36956a7d
BP		 1510 if (left == key_len) {
1511 ds_put_cstr(ds, "<empty>");
1512 }
3a8cfc50
BP		 1513 ds_put_format(ds, ",***%u leftover bytes*** (", left);
1514 for (i = 0; i < left; i++) {
1515 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
1516 }
1517 ds_put_char(ds, ')');
36956a7d 1518 }
e6cc0bab
AZ		 1519 if (!has_ethtype_key) {
1520 ma = nl_attr_find__(mask, mask_len, OVS_KEY_ATTR_ETHERTYPE);
1521 if (ma) {
1522 ds_put_format(ds, ",eth_type(0/0x%04"PRIx16")",
1523 ntohs(nl_attr_get_be16(ma)));
1524 }
1525 }
36956a7d
BP		 1526 } else {
1527 ds_put_cstr(ds, "<empty>");
1528 }
14608a15 1529}
064af421 1530
e6cc0bab
AZ		 1531/* Appends to 'ds' a string representation of the 'key_len' bytes of
1532 * OVS_KEY_ATTR_* attributes in 'key'. */
1533void
1534odp_flow_key_format(const struct nlattr *key,
1535 size_t key_len, struct ds *ds)
1536{
0a37839c 1537 odp_flow_format(key, key_len, NULL, 0, NULL, ds, true);
e6cc0bab
AZ		 1538}
1539
dc8c5408
AZ		 1540static void
1541put_nd(struct ovs_key_nd* nd_key, const uint8_t *nd_sll,
1542 const uint8_t *nd_tll, struct ofpbuf *key)
1543{
1544 if (nd_sll) {
1545 memcpy(nd_key->nd_sll, nd_sll, ETH_ADDR_LEN);
1546 }
1547
1548 if (nd_tll) {
1549 memcpy(nd_key->nd_tll, nd_tll, ETH_ADDR_LEN);
1550 }
1551
1552 nl_msg_put_unspec(key, OVS_KEY_ATTR_ND, nd_key, sizeof *nd_key);
1553}
1554
3bffc610 1555static int
dc8c5408
AZ		 1556put_nd_key(int n, const char *nd_target_s, const uint8_t *nd_sll,
1557 const uint8_t *nd_tll, struct ofpbuf *key)
3bffc610 1558{
df2c07f4 1559 struct ovs_key_nd nd_key;
3bffc610
BP		 1560
1561 memset(&nd_key, 0, sizeof nd_key);
dc8c5408 1562
3bffc610
BP		 1563 if (inet_pton(AF_INET6, nd_target_s, nd_key.nd_target) != 1) {
1564 return -EINVAL;
1565 }
dc8c5408
AZ		 1566
1567 put_nd(&nd_key, nd_sll, nd_tll, key);
1568 return n;
1569}
1570
1571static int
1572put_nd_mask(int n, const char *nd_target_s,
1573 const uint8_t *nd_sll, const uint8_t *nd_tll, struct ofpbuf *mask)
1574{
1575 struct ovs_key_nd nd_mask;
1576
1577 memset(&nd_mask, 0xff, sizeof nd_mask);
1578
1579 if (strlen(nd_target_s) != 0 &&
1580 inet_pton(AF_INET6, nd_target_s, nd_mask.nd_target) != 1) {
1581 return -EINVAL;
3bffc610 1582 }
dc8c5408
AZ		 1583
1584 put_nd(&nd_mask, nd_sll, nd_tll, mask);
3bffc610
BP		 1585 return n;
1586}
1587
7257b535
BP		 1588static bool
1589ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type)
1590{
1591 if (!strcasecmp(s, "no")) {
1592 *type = OVS_FRAG_TYPE_NONE;
1593 } else if (!strcasecmp(s, "first")) {
1594 *type = OVS_FRAG_TYPE_FIRST;
1595 } else if (!strcasecmp(s, "later")) {
1596 *type = OVS_FRAG_TYPE_LATER;
1597 } else {
1598 return false;
1599 }
1600 return true;
1601}
1602
b02475c5
SH		 1603static ovs_be32
1604mpls_lse_from_components(int mpls_label, int mpls_tc, int mpls_ttl, int mpls_bos)
1605{
1606 return (htonl((mpls_label << MPLS_LABEL_SHIFT) |
1607 (mpls_tc << MPLS_TC_SHIFT) |
1608 (mpls_ttl << MPLS_TTL_SHIFT) |
1609 (mpls_bos << MPLS_BOS_SHIFT)));
1610}
1611
3bffc610 1612static int
e6cc0bab
AZ		 1613parse_odp_key_mask_attr(const char *s, const struct simap *port_names,
1614 struct ofpbuf *key, struct ofpbuf *mask)
3bffc610 1615{
abff858b 1616 {
c2c28dfd
BP		 1617 uint32_t priority;
1618 uint32_t priority_mask;
abff858b
PS		 1619 int n = -1;
1620
c2c28dfd
BP		 1621 if (mask && ovs_scan(s, "skb_priority(%"SCNi32"/%"SCNi32")%n",
1622 &priority, &priority_mask, &n)) {
e6cc0bab
AZ		 1623 nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority);
1624 nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, priority_mask);
1625 return n;
c2c28dfd 1626 } else if (ovs_scan(s, "skb_priority(%"SCNi32")%n", &priority, &n)) {
abff858b 1627 nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority);
e6cc0bab
AZ		 1628 if (mask) {
1629 nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, UINT32_MAX);
1630 }
abff858b
PS		 1631 return n;
1632 }
1633 }
1634
72e8bf28 1635 {
c2c28dfd
BP		 1636 uint32_t mark;
1637 uint32_t mark_mask;
72e8bf28
AA		 1638 int n = -1;
1639
c2c28dfd
BP		 1640 if (mask && ovs_scan(s, "skb_mark(%"SCNi32"/%"SCNi32")%n", &mark,
1641 &mark_mask, &n)) {
e6cc0bab
AZ		 1642 nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark);
1643 nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, mark_mask);
1644 return n;
c2c28dfd 1645 } else if (ovs_scan(s, "skb_mark(%"SCNi32")%n", &mark, &n)) {
72e8bf28 1646 nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark);
e6cc0bab
AZ		 1647 if (mask) {
1648 nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, UINT32_MAX);
1649 }
72e8bf28
AA		 1650 return n;
1651 }
1652 }
1653
572f732a
AZ		 1654 {
1655 uint32_t recirc_id;
1656 int n = -1;
1657
1658 if (ovs_scan(s, "recirc_id(%"SCNi32")%n", &recirc_id, &n)) {
1659 nl_msg_put_u32(key, OVS_KEY_ATTR_RECIRC_ID, recirc_id);
1660 nl_msg_put_u32(mask, OVS_KEY_ATTR_RECIRC_ID, UINT32_MAX);
1661 return n;
1662 }
1663 }
1664
1665 {
1666 uint32_t dp_hash;
1667 uint32_t dp_hash_mask;
1668 int n = -1;
1669
1670 if (mask && ovs_scan(s, "dp_hash(%"SCNi32"/%"SCNi32")%n", &dp_hash,
1671 &dp_hash_mask, &n)) {
1672 nl_msg_put_u32(key, OVS_KEY_ATTR_DP_HASH, dp_hash);
1673 nl_msg_put_u32(mask, OVS_KEY_ATTR_DP_HASH, dp_hash_mask);
1674 return n;
1675 } else if (ovs_scan(s, "dp_hash(%"SCNi32")%n", &dp_hash, &n)) {
1676 nl_msg_put_u32(key, OVS_KEY_ATTR_DP_HASH, dp_hash);
1677 if (mask) {
1678 nl_msg_put_u32(mask, OVS_KEY_ATTR_DP_HASH, UINT32_MAX);
1679 }
1680 return n;
1681 }
1682 }
1683
35651d6a 1684 {
c2c28dfd 1685 uint64_t tun_id, tun_id_mask;
e6cc0bab 1686 struct flow_tnl tun_key, tun_key_mask;
35651d6a
JG		 1687 int n = -1;
1688
c2c28dfd
BP		 1689 if (mask && ovs_scan(s, "tunnel(tun_id=%"SCNi64"/%"SCNi64","
1690 "src="IP_SCAN_FMT"/"IP_SCAN_FMT",dst="IP_SCAN_FMT
1691 "/"IP_SCAN_FMT",tos=%"SCNi8"/%"SCNi8","
1692 "ttl=%"SCNi8"/%"SCNi8",flags%n",
1693 &tun_id, &tun_id_mask,
1694 IP_SCAN_ARGS(&tun_key.ip_src),
1695 IP_SCAN_ARGS(&tun_key_mask.ip_src),
1696 IP_SCAN_ARGS(&tun_key.ip_dst),
1697 IP_SCAN_ARGS(&tun_key_mask.ip_dst),
1698 &tun_key.ip_tos, &tun_key_mask.ip_tos,
1699 &tun_key.ip_ttl, &tun_key_mask.ip_ttl, &n)) {
e6cc0bab
AZ		 1700 int res;
1701 uint32_t flags;
1702
c2c28dfd 1703 tun_key.tun_id = htonll(tun_id);
e6cc0bab 1704 tun_key_mask.tun_id = htonll(tun_id_mask);
e6cc0bab
AZ		 1705 res = parse_flags(&s[n], flow_tun_flag_to_string, &flags);
1706 tun_key.flags = flags;
1707 tun_key_mask.flags = UINT16_MAX;
1708
1709 if (res < 0) {
1710 return res;
1711 }
1712 n += res;
1713 if (s[n] != ')') {
1714 return -EINVAL;
1715 }
1716 n++;
1717 tun_key_to_attr(key, &tun_key);
1718 if (mask) {
1719 tun_key_to_attr(mask, &tun_key_mask);
1720 }
1721 return n;
c2c28dfd
BP		 1722 } else if (ovs_scan(s, "tunnel(tun_id=%"SCNi64","
1723 "src="IP_SCAN_FMT",dst="IP_SCAN_FMT
1724 ",tos=%"SCNi8",ttl=%"SCNi8",flags%n", &tun_id,
1725 IP_SCAN_ARGS(&tun_key.ip_src),
1726 IP_SCAN_ARGS(&tun_key.ip_dst),
1727 &tun_key.ip_tos, &tun_key.ip_ttl, &n)) {
29c7a2b2 1728 int res;
9b405f1a 1729 uint32_t flags;
29c7a2b2 1730
c2c28dfd 1731 tun_key.tun_id = htonll(tun_id);
9b405f1a 1732 res = parse_flags(&s[n], flow_tun_flag_to_string, &flags);
e6cc0bab 1733 tun_key.flags = flags;
29c7a2b2 1734
29c7a2b2
PS		 1735 if (res < 0) {
1736 return res;
1737 }
1738 n += res;
1739 if (s[n] != ')') {
1740 return -EINVAL;
1741 }
1742 n++;
9b405f1a 1743 tun_key_to_attr(key, &tun_key);
e6cc0bab
AZ		 1744
1745 if (mask) {
1746 memset(&tun_key, 0xff, sizeof tun_key);
1747 tun_key_to_attr(mask, &tun_key);
1748 }
35651d6a
JG		 1749 return n;
1750 }
1751 }
1752
3bffc610 1753 {
c2c28dfd
BP		 1754 uint32_t in_port;
1755 uint32_t in_port_mask;
3bffc610
BP		 1756 int n = -1;
1757
c2c28dfd
BP		 1758 if (mask && ovs_scan(s, "in_port(%"SCNi32"/%"SCNi32")%n",
1759 &in_port, &in_port_mask, &n)) {
e6cc0bab
AZ		 1760 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port);
1761 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, in_port_mask);
1762 return n;
c2c28dfd 1763 } else if (ovs_scan(s, "in_port(%"SCNi32")%n", &in_port, &n)) {
df2c07f4 1764 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port);
e6cc0bab
AZ		 1765 if (mask) {
1766 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX);
1767 }
3bffc610
BP		 1768 return n;
1769 }
1770 }
1771
e6cc0bab 1772
b2a60db8
BP		 1773 if (port_names && !strncmp(s, "in_port(", 8)) {
1774 const char *name;
44bac24b 1775 const struct simap_node *node;
b2a60db8
BP		 1776 int name_len;
1777
1778 name = s + 8;
c46c613a 1779 name_len = strcspn(name, ")");
44bac24b 1780 node = simap_find_len(port_names, name, name_len);
b2a60db8 1781 if (node) {
44bac24b 1782 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, node->data);
e6cc0bab
AZ		 1783
1784 if (mask) {
1785 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX);
1786 }
b2a60db8
BP		 1787 return 8 + name_len + 1;
1788 }
1789 }
1790
3bffc610 1791 {
df2c07f4 1792 struct ovs_key_ethernet eth_key;
e6cc0bab 1793 struct ovs_key_ethernet eth_key_mask;
3bffc610
BP		 1794 int n = -1;
1795
c2c28dfd
BP		 1796 if (mask && ovs_scan(s,
1797 "eth(src="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
1798 "dst="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
1799 ETH_ADDR_SCAN_ARGS(eth_key.eth_src),
1800 ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_src),
1801 ETH_ADDR_SCAN_ARGS(eth_key.eth_dst),
1802 ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_dst), &n)) {
e6cc0bab
AZ		 1803 nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET,
1804 &eth_key, sizeof eth_key);
1805 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET,
1806 &eth_key_mask, sizeof eth_key_mask);
1807 return n;
c2c28dfd
BP		 1808 } else if (ovs_scan(s, "eth(src="ETH_ADDR_SCAN_FMT","
1809 "dst="ETH_ADDR_SCAN_FMT")%n",
1810 ETH_ADDR_SCAN_ARGS(eth_key.eth_src),
1811 ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), &n)) {
df2c07f4 1812 nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET,
3bffc610 1813 &eth_key, sizeof eth_key);
e6cc0bab
AZ		 1814
1815 if (mask) {
1816 memset(&eth_key, 0xff, sizeof eth_key);
1817 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET,
1818 &eth_key, sizeof eth_key);
1819 }
3bffc610
BP		 1820 return n;
1821 }
1822 }
1823
1824 {
c2c28dfd 1825 int vid, vid_mask;
e6cc0bab
AZ		 1826 int pcp, pcp_mask;
1827 int cfi, cfi_mask;
3bffc610
BP		 1828 int n = -1;
1829
c2c28dfd
BP		 1830 if (mask && ovs_scan(s, "vlan(vid=%i/%i,pcp=%i/%i)%n",
1831 &vid, &vid_mask, &pcp, &pcp_mask, &n)) {
e6cc0bab
AZ		 1832 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1833 htons((vid << VLAN_VID_SHIFT) |
1834 (pcp << VLAN_PCP_SHIFT) |
1835 VLAN_CFI));
1836 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN,
1837 htons((vid_mask << VLAN_VID_SHIFT) |
1838 (pcp_mask << VLAN_PCP_SHIFT) |
1839 (1 << VLAN_CFI_SHIFT)));
1840 return n;
c2c28dfd 1841 } else if (ovs_scan(s, "vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n)) {
fea393b1
BP		 1842 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1843 htons((vid << VLAN_VID_SHIFT) |
8ddc056d
BP		 1844 (pcp << VLAN_PCP_SHIFT) |
1845 VLAN_CFI));
e6cc0bab 1846 if (mask) {
b8266395 1847 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX);
e6cc0bab
AZ		 1848 }
1849 return n;
c2c28dfd
BP		 1850 } else if (mask
1851 && ovs_scan(s, "vlan(vid=%i/%i,pcp=%i/%i,cfi=%i/%i)%n",
1852 &vid, &vid_mask, &pcp, &pcp_mask,
1853 &cfi, &cfi_mask, &n)) {
e6cc0bab
AZ		 1854 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1855 htons((vid << VLAN_VID_SHIFT) |
1856 (pcp << VLAN_PCP_SHIFT) |
1857 (cfi ? VLAN_CFI : 0)));
1858 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN,
1859 htons((vid_mask << VLAN_VID_SHIFT) |
1860 (pcp_mask << VLAN_PCP_SHIFT) |
1861 (cfi_mask << VLAN_CFI_SHIFT)));
8ddc056d 1862 return n;
c2c28dfd
BP		 1863 } else if (ovs_scan(s, "vlan(vid=%i,pcp=%i,cfi=%i)%n",
1864 &vid, &pcp, &cfi, &n)) {
8ddc056d
BP		 1865 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1866 htons((vid << VLAN_VID_SHIFT) |
1867 (pcp << VLAN_PCP_SHIFT) |
1868 (cfi ? VLAN_CFI : 0)));
e6cc0bab 1869 if (mask) {
b8266395 1870 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX);
e6cc0bab 1871 }
3bffc610
BP		 1872 return n;
1873 }
1874 }
1875
1876 {
fac2e516 1877 int eth_type;
e6cc0bab 1878 int eth_type_mask;
3bffc610
BP		 1879 int n = -1;
1880
c2c28dfd
BP		 1881 if (mask && ovs_scan(s, "eth_type(%i/%i)%n",
1882 &eth_type, &eth_type_mask, &n)) {
e6cc0bab
AZ		 1883 if (eth_type != 0) {
1884 nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type));
1885 }
1886 nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type_mask));
1887 return n;
c2c28dfd 1888 } else if (ovs_scan(s, "eth_type(%i)%n", &eth_type, &n)) {
df2c07f4 1889 nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type));
e6cc0bab 1890 if (mask) {
b8266395 1891 nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
e6cc0bab 1892 }
3bffc610
BP		 1893 return n;
1894 }
1895 }
1896
b02475c5
SH		 1897 {
1898 int label, tc, ttl, bos;
e6cc0bab 1899 int label_mask, tc_mask, ttl_mask, bos_mask;
b02475c5
SH		 1900 int n = -1;
1901
c2c28dfd
BP		 1902 if (mask && ovs_scan(s, "mpls(label=%i/%i,tc=%i/%i,"
1903 "ttl=%i/%i,bos=%i/%i)%n",
1904 &label, &label_mask, &tc, &tc_mask,
1905 &ttl, &ttl_mask, &bos, &bos_mask, &n)) {
e6cc0bab
AZ		 1906 struct ovs_key_mpls *mpls, *mpls_mask;
1907
1908 mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS,
1909 sizeof *mpls);
1910 mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos);
1911
1912 mpls_mask = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS,
1913 sizeof *mpls_mask);
1914 mpls_mask->mpls_lse = mpls_lse_from_components(
1915 label_mask, tc_mask, ttl_mask, bos_mask);
1916 return n;
c2c28dfd
BP		 1917 } else if (ovs_scan(s, "mpls(label=%i,tc=%i,ttl=%i,bos=%i)%n",
1918 &label, &tc, &ttl, &bos, &n)) {
b02475c5
SH		 1919 struct ovs_key_mpls *mpls;
1920
1921 mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS,
1922 sizeof *mpls);
20131cef 1923 mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos);
e6cc0bab
AZ		 1924 if (mask) {
1925 mpls = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS,
1926 sizeof *mpls);
b8266395 1927 mpls->mpls_lse = OVS_BE32_MAX;
e6cc0bab 1928 }
b02475c5
SH		 1929 return n;
1930 }
1931 }
1932
e6cc0bab 1933
3bffc610 1934 {
c2c28dfd
BP		 1935 struct ovs_key_ipv4 ipv4_key;
1936 struct ovs_key_ipv4 ipv4_mask;
1937
7257b535
BP		 1938 char frag[8];
1939 enum ovs_frag_type ipv4_frag;
3bffc610
BP		 1940 int n = -1;
1941
c2c28dfd
BP		 1942 if (mask
1943 && ovs_scan(s, "ipv4(src="IP_SCAN_FMT"/"IP_SCAN_FMT","
1944 "dst="IP_SCAN_FMT"/"IP_SCAN_FMT","
1945 "proto=%"SCNi8"/%"SCNi8","
1946 "tos=%"SCNi8"/%"SCNi8","
1947 "ttl=%"SCNi8"/%"SCNi8","
1948 "frag=%7[a-z]/%"SCNi8")%n",
1949 IP_SCAN_ARGS(&ipv4_key.ipv4_src),
1950 IP_SCAN_ARGS(&ipv4_mask.ipv4_src),
1951 IP_SCAN_ARGS(&ipv4_key.ipv4_dst),
1952 IP_SCAN_ARGS(&ipv4_mask.ipv4_dst),
1953 &ipv4_key.ipv4_proto, &ipv4_mask.ipv4_proto,
1954 &ipv4_key.ipv4_tos, &ipv4_mask.ipv4_tos,
1955 &ipv4_key.ipv4_ttl, &ipv4_mask.ipv4_ttl,
1956 frag, &ipv4_mask.ipv4_frag, &n)
e6cc0bab 1957 && ovs_frag_type_from_string(frag, &ipv4_frag)) {
e6cc0bab
AZ		 1958 ipv4_key.ipv4_frag = ipv4_frag;
1959 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4,
1960 &ipv4_key, sizeof ipv4_key);
1961
e6cc0bab
AZ		 1962 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4,
1963 &ipv4_mask, sizeof ipv4_mask);
1964 return n;
c2c28dfd
BP		 1965 } else if (ovs_scan(s, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT","
1966 "proto=%"SCNi8",tos=%"SCNi8",ttl=%"SCNi8","
1967 "frag=%7[a-z])%n",
1968 IP_SCAN_ARGS(&ipv4_key.ipv4_src),
1969 IP_SCAN_ARGS(&ipv4_key.ipv4_dst),
1970 &ipv4_key.ipv4_proto,
1971 &ipv4_key.ipv4_tos,
1972 &ipv4_key.ipv4_ttl,
1973 frag, &n) > 0
1974 && ovs_frag_type_from_string(frag, &ipv4_frag)) {
7257b535 1975 ipv4_key.ipv4_frag = ipv4_frag;
df2c07f4 1976 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4,
3bffc610 1977 &ipv4_key, sizeof ipv4_key);
e6cc0bab
AZ		 1978
1979 if (mask) {
1980 memset(&ipv4_key, 0xff, sizeof ipv4_key);
1981 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4,
1982 &ipv4_key, sizeof ipv4_key);
1983 }
3bffc610
BP		 1984 return n;
1985 }
1986 }
1987
1988 {
1989 char ipv6_src_s[IPV6_SCAN_LEN + 1];
e6cc0bab 1990 char ipv6_src_mask_s[IPV6_SCAN_LEN + 1];
3bffc610 1991 char ipv6_dst_s[IPV6_SCAN_LEN + 1];
e6cc0bab
AZ		 1992 char ipv6_dst_mask_s[IPV6_SCAN_LEN + 1];
1993 int ipv6_label, ipv6_label_mask;
1994 int ipv6_proto, ipv6_proto_mask;
1995 int ipv6_tclass, ipv6_tclass_mask;
1996 int ipv6_hlimit, ipv6_hlimit_mask;
7257b535
BP		 1997 char frag[8];
1998 enum ovs_frag_type ipv6_frag;
e6cc0bab 1999 int ipv6_frag_mask;
3bffc610
BP		 2000 int n = -1;
2001
c2c28dfd
BP		 2002 if (mask && ovs_scan(s, "ipv6(src="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT",dst="
2003 IPV6_SCAN_FMT"/"IPV6_SCAN_FMT","
2004 "label=%i/%i,proto=%i/%i,tclass=%i/%i,"
2005 "hlimit=%i/%i,frag=%7[a-z]/%i)%n",
2006 ipv6_src_s, ipv6_src_mask_s,
2007 ipv6_dst_s, ipv6_dst_mask_s,
2008 &ipv6_label, &ipv6_label_mask, &ipv6_proto,
2009 &ipv6_proto_mask, &ipv6_tclass, &ipv6_tclass_mask,
2010 &ipv6_hlimit, &ipv6_hlimit_mask, frag,
2011 &ipv6_frag_mask, &n)
e6cc0bab
AZ		 2012 && ovs_frag_type_from_string(frag, &ipv6_frag)) {
2013 struct ovs_key_ipv6 ipv6_key;
2014 struct ovs_key_ipv6 ipv6_mask;
2015
2016 if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 ||
2017 inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1 ||
2018 inet_pton(AF_INET6, ipv6_src_mask_s, &ipv6_mask.ipv6_src) != 1 ||
2019 inet_pton(AF_INET6, ipv6_dst_mask_s, &ipv6_mask.ipv6_dst) != 1) {
2020 return -EINVAL;
2021 }
2022
2023 ipv6_key.ipv6_label = htonl(ipv6_label);
2024 ipv6_key.ipv6_proto = ipv6_proto;
2025 ipv6_key.ipv6_tclass = ipv6_tclass;
2026 ipv6_key.ipv6_hlimit = ipv6_hlimit;
2027 ipv6_key.ipv6_frag = ipv6_frag;
2028 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6,
2029 &ipv6_key, sizeof ipv6_key);
2030
2031 ipv6_mask.ipv6_label = htonl(ipv6_label_mask);
2032 ipv6_mask.ipv6_proto = ipv6_proto_mask;
2033 ipv6_mask.ipv6_tclass = ipv6_tclass_mask;
2034 ipv6_mask.ipv6_hlimit = ipv6_hlimit_mask;
2035 ipv6_mask.ipv6_frag = ipv6_frag_mask;
2036 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6,
2037 &ipv6_mask, sizeof ipv6_mask);
2038 return n;
c2c28dfd
BP		 2039 } else if (ovs_scan(s, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT","
2040 "label=%i,proto=%i,tclass=%i,hlimit=%i,"
2041 "frag=%7[a-z])%n",
2042 ipv6_src_s, ipv6_dst_s, &ipv6_label,
2043 &ipv6_proto, &ipv6_tclass, &ipv6_hlimit, frag, &n)
2044 && ovs_frag_type_from_string(frag, &ipv6_frag)) {
df2c07f4 2045 struct ovs_key_ipv6 ipv6_key;
3bffc610 2046
3bffc610
BP		 2047 if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 ||
2048 inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1) {
2049 return -EINVAL;
2050 }
fa8223b7 2051 ipv6_key.ipv6_label = htonl(ipv6_label);
3bffc610 2052 ipv6_key.ipv6_proto = ipv6_proto;
60258dcb 2053 ipv6_key.ipv6_tclass = ipv6_tclass;
a61680c6 2054 ipv6_key.ipv6_hlimit = ipv6_hlimit;
7257b535 2055 ipv6_key.ipv6_frag = ipv6_frag;
df2c07f4 2056 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6,
3bffc610 2057 &ipv6_key, sizeof ipv6_key);
e6cc0bab
AZ		 2058
2059 if (mask) {
2060 memset(&ipv6_key, 0xff, sizeof ipv6_key);
2061 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6,
2062 &ipv6_key, sizeof ipv6_key);
2063 }
3bffc610
BP		 2064 return n;
2065 }
2066 }
2067
2068 {
2069 int tcp_src;
2070 int tcp_dst;
e6cc0bab
AZ		 2071 int tcp_src_mask;
2072 int tcp_dst_mask;
3bffc610
BP		 2073 int n = -1;
2074
c2c28dfd
BP		 2075 if (mask && ovs_scan(s, "tcp(src=%i/%i,dst=%i/%i)%n",
2076 &tcp_src, &tcp_src_mask, &tcp_dst,
2077 &tcp_dst_mask, &n)) {
df2c07f4 2078 struct ovs_key_tcp tcp_key;
e6cc0bab 2079 struct ovs_key_tcp tcp_mask;
3bffc610
BP		 2080
2081 tcp_key.tcp_src = htons(tcp_src);
2082 tcp_key.tcp_dst = htons(tcp_dst);
df2c07f4 2083 nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key);
e6cc0bab
AZ		 2084
2085 tcp_mask.tcp_src = htons(tcp_src_mask);
2086 tcp_mask.tcp_dst = htons(tcp_dst_mask);
2087 nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP,
2088 &tcp_mask, sizeof tcp_mask);
2089 return n;
c2c28dfd
BP		 2090 } else if (ovs_scan(s, "tcp(src=%i,dst=%i)%n",
2091 &tcp_src, &tcp_dst, &n)) {
e6cc0bab
AZ		 2092 struct ovs_key_tcp tcp_key;
2093
2094 tcp_key.tcp_src = htons(tcp_src);
2095 tcp_key.tcp_dst = htons(tcp_dst);
2096 nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key);
2097
2098 if (mask) {
2099 memset(&tcp_key, 0xff, sizeof tcp_key);
2100 nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP,
2101 &tcp_key, sizeof tcp_key);
2102 }
3bffc610
BP		 2103 return n;
2104 }
2105 }
2106
dc235f7f
JR		 2107 {
2108 uint16_t tcp_flags, tcp_flags_mask;
2109 int n = -1;
2110
c2c28dfd
BP		 2111 if (mask && ovs_scan(s, "tcp_flags(%"SCNi16"/%"SCNi16")%n",
2112 &tcp_flags, &tcp_flags_mask, &n) > 0 && n > 0) {
dc235f7f
JR		 2113 nl_msg_put_be16(key, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags));
2114 nl_msg_put_be16(mask, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags_mask));
2115 return n;
c2c28dfd 2116 } else if (ovs_scan(s, "tcp_flags(%"SCNi16")%n", &tcp_flags, &n)) {
dc235f7f
JR		 2117 nl_msg_put_be16(key, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags));
2118 if (mask) {
2119 nl_msg_put_be16(mask, OVS_KEY_ATTR_TCP_FLAGS,
2120 htons(UINT16_MAX));
2121 }
2122 return n;
2123 }
2124 }
2125
3bffc610
BP		 2126 {
2127 int udp_src;
2128 int udp_dst;
e6cc0bab
AZ		 2129 int udp_src_mask;
2130 int udp_dst_mask;
3bffc610
BP		 2131 int n = -1;
2132
c2c28dfd
BP		 2133 if (mask && ovs_scan(s, "udp(src=%i/%i,dst=%i/%i)%n",
2134 &udp_src, &udp_src_mask,
2135 &udp_dst, &udp_dst_mask, &n)) {
e6cc0bab
AZ		 2136 struct ovs_key_udp udp_key;
2137 struct ovs_key_udp udp_mask;
2138
2139 udp_key.udp_src = htons(udp_src);
2140 udp_key.udp_dst = htons(udp_dst);
2141 nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
2142
2143 udp_mask.udp_src = htons(udp_src_mask);
2144 udp_mask.udp_dst = htons(udp_dst_mask);
2145 nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP,
2146 &udp_mask, sizeof udp_mask);
2147 return n;
2148 }
c2c28dfd 2149 if (ovs_scan(s, "udp(src=%i,dst=%i)%n", &udp_src, &udp_dst, &n)) {
df2c07f4 2150 struct ovs_key_udp udp_key;
3bffc610
BP		 2151
2152 udp_key.udp_src = htons(udp_src);
2153 udp_key.udp_dst = htons(udp_dst);
df2c07f4 2154 nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
e6cc0bab
AZ		 2155
2156 if (mask) {
2157 memset(&udp_key, 0xff, sizeof udp_key);
2158 nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
2159 }
3bffc610
BP		 2160 return n;
2161 }
2162 }
2163
c6bcb685
JS		 2164 {
2165 int sctp_src;
2166 int sctp_dst;
2167 int sctp_src_mask;
2168 int sctp_dst_mask;
2169 int n = -1;
2170
c2c28dfd
BP		 2171 if (mask && ovs_scan(s, "sctp(src=%i/%i,dst=%i/%i)%n",
2172 &sctp_src, &sctp_src_mask,
2173 &sctp_dst, &sctp_dst_mask, &n)) {
c6bcb685
JS		 2174 struct ovs_key_sctp sctp_key;
2175 struct ovs_key_sctp sctp_mask;
2176
2177 sctp_key.sctp_src = htons(sctp_src);
2178 sctp_key.sctp_dst = htons(sctp_dst);
2179 nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
2180
2181 sctp_mask.sctp_src = htons(sctp_src_mask);
2182 sctp_mask.sctp_dst = htons(sctp_dst_mask);
2183 nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP,
2184 &sctp_mask, sizeof sctp_mask);
2185 return n;
2186 }
c2c28dfd 2187 if (ovs_scan(s, "sctp(src=%i,dst=%i)%n", &sctp_src, &sctp_dst, &n)) {
c6bcb685
JS		 2188 struct ovs_key_sctp sctp_key;
2189
2190 sctp_key.sctp_src = htons(sctp_src);
2191 sctp_key.sctp_dst = htons(sctp_dst);
2192 nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
2193
2194 if (mask) {
2195 memset(&sctp_key, 0xff, sizeof sctp_key);
2196 nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
2197 }
2198 return n;
2199 }
2200 }
2201
3bffc610 2202 {
c2c28dfd
BP		 2203 struct ovs_key_icmp icmp_key;
2204 struct ovs_key_icmp icmp_mask;
3bffc610
BP		 2205 int n = -1;
2206
c2c28dfd
BP		 2207 if (mask && ovs_scan(s, "icmp(type=%"SCNi8"/%"SCNi8","
2208 "code=%"SCNi8"/%"SCNi8")%n",
2209 &icmp_key.icmp_type, &icmp_mask.icmp_type,
2210 &icmp_key.icmp_code, &icmp_mask.icmp_code, &n)) {
e6cc0bab
AZ		 2211 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP,
2212 &icmp_key, sizeof icmp_key);
e6cc0bab
AZ		 2213 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP,
2214 &icmp_mask, sizeof icmp_mask);
2215 return n;
c2c28dfd
BP		 2216 } else if (ovs_scan(s, "icmp(type=%"SCNi8",code=%"SCNi8")%n",
2217 &icmp_key.icmp_type, &icmp_key.icmp_code, &n)) {
df2c07f4 2218 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP,
3bffc610 2219 &icmp_key, sizeof icmp_key);
e6cc0bab
AZ		 2220 if (mask) {
2221 memset(&icmp_key, 0xff, sizeof icmp_key);
2222 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP, &icmp_key,
2223 sizeof icmp_key);
2224 }
3bffc610
BP		 2225 return n;
2226 }
2227 }
2228
2229 {
df2c07f4 2230 struct ovs_key_icmpv6 icmpv6_key;
e6cc0bab 2231 struct ovs_key_icmpv6 icmpv6_mask;
3bffc610
BP		 2232 int n = -1;
2233
c2c28dfd
BP		 2234 if (mask && ovs_scan(s, "icmpv6(type=%"SCNi8"/%"SCNi8","
2235 "code=%"SCNi8"/%"SCNi8")%n",
2236 &icmpv6_key.icmpv6_type, &icmpv6_mask.icmpv6_type,
2237 &icmpv6_key.icmpv6_code, &icmpv6_mask.icmpv6_code,
2238 &n)) {
e6cc0bab
AZ		 2239 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6,
2240 &icmpv6_key, sizeof icmpv6_key);
e6cc0bab
AZ		 2241 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_mask,
2242 sizeof icmpv6_mask);
2243 return n;
c2c28dfd
BP		 2244 } else if (ovs_scan(s, "icmpv6(type=%"SCNi8",code=%"SCNi8")%n",
2245 &icmpv6_key.icmpv6_type, &icmpv6_key.icmpv6_code,
2246 &n)) {
df2c07f4 2247 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6,
3bffc610 2248 &icmpv6_key, sizeof icmpv6_key);
e6cc0bab
AZ		 2249
2250 if (mask) {
2251 memset(&icmpv6_key, 0xff, sizeof icmpv6_key);
2252 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_key,
2253 sizeof icmpv6_key);
2254 }
3bffc610
BP		 2255 return n;
2256 }
2257 }
2258
2259 {
c2c28dfd
BP		 2260 struct ovs_key_arp arp_key;
2261 struct ovs_key_arp arp_mask;
2262 uint16_t arp_op, arp_op_mask;
3bffc610
BP		 2263 int n = -1;
2264
c2c28dfd
BP		 2265 if (mask && ovs_scan(s, "arp(sip="IP_SCAN_FMT"/"IP_SCAN_FMT","
2266 "tip="IP_SCAN_FMT"/"IP_SCAN_FMT","
2267 "op=%"SCNi16"/%"SCNi16","
2268 "sha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
2269 "tha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2270 IP_SCAN_ARGS(&arp_key.arp_sip),
2271 IP_SCAN_ARGS(&arp_mask.arp_sip),
2272 IP_SCAN_ARGS(&arp_key.arp_tip),
2273 IP_SCAN_ARGS(&arp_mask.arp_tip),
2274 &arp_op, &arp_op_mask,
2275 ETH_ADDR_SCAN_ARGS(arp_key.arp_sha),
2276 ETH_ADDR_SCAN_ARGS(arp_mask.arp_sha),
2277 ETH_ADDR_SCAN_ARGS(arp_key.arp_tha),
2278 ETH_ADDR_SCAN_ARGS(arp_mask.arp_tha), &n)) {
e6cc0bab 2279 arp_key.arp_op = htons(arp_op);
e6cc0bab 2280 nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
e6cc0bab 2281 arp_mask.arp_op = htons(arp_op_mask);
e6cc0bab
AZ		 2282 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP,
2283 &arp_mask, sizeof arp_mask);
2284 return n;
c2c28dfd
BP		 2285 } else if (ovs_scan(s, "arp(sip="IP_SCAN_FMT",tip="IP_SCAN_FMT","
2286 "op=%"SCNi16",sha="ETH_ADDR_SCAN_FMT","
2287 "tha="ETH_ADDR_SCAN_FMT")%n",
2288 IP_SCAN_ARGS(&arp_key.arp_sip),
2289 IP_SCAN_ARGS(&arp_key.arp_tip),
2290 &arp_op,
2291 ETH_ADDR_SCAN_ARGS(arp_key.arp_sha),
2292 ETH_ADDR_SCAN_ARGS(arp_key.arp_tha), &n)) {
3bffc610 2293 arp_key.arp_op = htons(arp_op);
df2c07f4 2294 nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
e6cc0bab
AZ		 2295
2296 if (mask) {
2297 memset(&arp_key, 0xff, sizeof arp_key);
2298 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP,
2299 &arp_key, sizeof arp_key);
2300 }
3bffc610
BP		 2301 return n;
2302 }
2303 }
2304
2305 {
2306 char nd_target_s[IPV6_SCAN_LEN + 1];
e6cc0bab 2307 char nd_target_mask_s[IPV6_SCAN_LEN + 1];
3bffc610 2308 uint8_t nd_sll[ETH_ADDR_LEN];
e6cc0bab 2309 uint8_t nd_sll_mask[ETH_ADDR_LEN];
3bffc610 2310 uint8_t nd_tll[ETH_ADDR_LEN];
e6cc0bab 2311 uint8_t nd_tll_mask[ETH_ADDR_LEN];
3bffc610
BP		 2312 int n = -1;
2313
dc8c5408
AZ		 2314 nd_target_mask_s[0] = 0;
2315 memset(nd_sll_mask, 0xff, sizeof nd_sll_mask);
2316 memset(nd_tll_mask, 0xff, sizeof nd_tll_mask);
e6cc0bab 2317
c2c28dfd
BP		 2318 if (mask && ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT")%n",
2319 nd_target_s, nd_target_mask_s, &n)) {
e6cc0bab 2320 put_nd_key(n, nd_target_s, NULL, NULL, key);
dc8c5408 2321 put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask);
c2c28dfd
BP		 2322 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT")%n",
2323 nd_target_s, &n)) {
e6cc0bab
AZ		 2324 put_nd_key(n, nd_target_s, NULL, NULL, key);
2325 if (mask) {
dc8c5408 2326 put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask);
e6cc0bab 2327 }
c2c28dfd
BP		 2328 } else if (mask &&
2329 ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2330 ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2331 nd_target_s, nd_target_mask_s,
2332 ETH_ADDR_SCAN_ARGS(nd_sll),
2333 ETH_ADDR_SCAN_ARGS(nd_sll_mask), &n)) {
e6cc0bab 2334 put_nd_key(n, nd_target_s, nd_sll, NULL, key);
dc8c5408 2335 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
c2c28dfd
BP		 2336 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT","
2337 "sll="ETH_ADDR_SCAN_FMT")%n",
2338 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), &n)) {
e6cc0bab
AZ		 2339 put_nd_key(n, nd_target_s, nd_sll, NULL, key);
2340 if (mask) {
dc8c5408 2341 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
e6cc0bab 2342 }
c2c28dfd
BP		 2343 } else if (mask &&
2344 ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2345 ",tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2346 nd_target_s, nd_target_mask_s,
2347 ETH_ADDR_SCAN_ARGS(nd_tll),
2348 ETH_ADDR_SCAN_ARGS(nd_tll_mask), &n)) {
e6cc0bab 2349 put_nd_key(n, nd_target_s, NULL, nd_tll, key);
dc8c5408 2350 put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
c2c28dfd
BP		 2351 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT","
2352 "tll="ETH_ADDR_SCAN_FMT")%n",
2353 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_tll), &n)) {
e6cc0bab
AZ		 2354 put_nd_key(n, nd_target_s, NULL, nd_tll, key);
2355 if (mask) {
dc8c5408 2356 put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
e6cc0bab 2357 }
c2c28dfd
BP		 2358 } else if (mask &&
2359 ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2360 ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
2361 "tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2362 nd_target_s, nd_target_mask_s,
2363 ETH_ADDR_SCAN_ARGS(nd_sll),
2364 ETH_ADDR_SCAN_ARGS(nd_sll_mask),
2365 ETH_ADDR_SCAN_ARGS(nd_tll),
2366 ETH_ADDR_SCAN_ARGS(nd_tll_mask),
2367 &n)) {
e6cc0bab 2368 put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
dc8c5408 2369 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, nd_tll_mask, mask);
c2c28dfd
BP		 2370 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT","
2371 "sll="ETH_ADDR_SCAN_FMT","
2372 "tll="ETH_ADDR_SCAN_FMT")%n",
2373 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll),
2374 ETH_ADDR_SCAN_ARGS(nd_tll), &n)) {
e6cc0bab
AZ		 2375 put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
2376 if (mask) {
dc8c5408
AZ		 2377 put_nd_mask(n, nd_target_mask_s,
2378 nd_sll_mask, nd_tll_mask, mask);
e6cc0bab 2379 }
3bffc610 2380 }
e6cc0bab
AZ		 2381
2382 if (n != -1)
2383 return n;
2384
3bffc610
BP		 2385 }
2386
fea393b1
BP		 2387 if (!strncmp(s, "encap(", 6)) {
2388 const char *start = s;
e6cc0bab 2389 size_t encap, encap_mask = 0;
fea393b1
BP		 2390
2391 encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP);
e6cc0bab
AZ		 2392 if (mask) {
2393 encap_mask = nl_msg_start_nested(mask, OVS_KEY_ATTR_ENCAP);
2394 }
fea393b1
BP		 2395
2396 s += 6;
2397 for (;;) {
2398 int retval;
2399
2400 s += strspn(s, ", \t\r\n");
2401 if (!*s) {
2402 return -EINVAL;
2403 } else if (*s == ')') {
2404 break;
2405 }
2406
e6cc0bab 2407 retval = parse_odp_key_mask_attr(s, port_names, key, mask);
fea393b1
BP		 2408 if (retval < 0) {
2409 return retval;
2410 }
2411 s += retval;
2412 }
2413 s++;
2414
2415 nl_msg_end_nested(key, encap);
e6cc0bab
AZ		 2416 if (mask) {
2417 nl_msg_end_nested(mask, encap_mask);
2418 }
fea393b1
BP		 2419
2420 return s - start;
2421 }
2422
3bffc610
BP		 2423 return -EINVAL;
2424}
2425
df2c07f4
JP		 2426/* Parses the string representation of a datapath flow key, in the
2427 * format output by odp_flow_key_format(). Returns 0 if successful,
2428 * otherwise a positive errno value. On success, the flow key is
2429 * appended to 'key' as a series of Netlink attributes. On failure, no
2430 * data is appended to 'key'. Either way, 'key''s data might be
2431 * reallocated.
3bffc610 2432 *
44bac24b
BP		 2433 * If 'port_names' is nonnull, it points to an simap that maps from a port name
2434 * to a port number. (Port names may be used instead of port numbers in
2435 * in_port.)
b2a60db8 2436 *
3bffc610
BP		 2437 * On success, the attributes appended to 'key' are individually syntactically
2438 * valid, but they may not be valid as a sequence. 'key' might, for example,
34118cae 2439 * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */
3bffc610 2440int
e6cc0bab
AZ		 2441odp_flow_from_string(const char *s, const struct simap *port_names,
2442 struct ofpbuf *key, struct ofpbuf *mask)
3bffc610 2443{
1f317cb5 2444 const size_t old_size = ofpbuf_size(key);
3bffc610
BP		 2445 for (;;) {
2446 int retval;
2447
7202cbe5 2448 s += strspn(s, delimiters);
3bffc610
BP		 2449 if (!*s) {
2450 return 0;
2451 }
2452
e6cc0bab 2453 retval = parse_odp_key_mask_attr(s, port_names, key, mask);
3bffc610 2454 if (retval < 0) {
1f317cb5 2455 ofpbuf_set_size(key, old_size);
3bffc610
BP		 2456 return -retval;
2457 }
2458 s += retval;
2459 }
2460
2461 return 0;
2462}
2463
7257b535 2464static uint8_t
c4f2731d 2465ovs_to_odp_frag(uint8_t nw_frag)
7257b535 2466{
c4f2731d
PS		 2467 return (nw_frag == 0 ? OVS_FRAG_TYPE_NONE
2468 : nw_frag == FLOW_NW_FRAG_ANY ? OVS_FRAG_TYPE_FIRST
2469 : OVS_FRAG_TYPE_LATER);
7257b535
BP		 2470}
2471
431495b1
AZ		 2472static uint8_t
2473ovs_to_odp_frag_mask(uint8_t nw_frag_mask)
2474{
2475 uint8_t frag_mask = ~(OVS_FRAG_TYPE_FIRST | OVS_FRAG_TYPE_LATER);
2476
2477 frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_ANY) ? OVS_FRAG_TYPE_FIRST : 0;
2478 frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_LATER) ? OVS_FRAG_TYPE_LATER : 0;
2479
2480 return frag_mask;
2481}
2482
661cbcd5 2483static void
fbfe01de
AZ		 2484odp_flow_key_from_flow__(struct ofpbuf *buf, const struct flow *flow,
2485 const struct flow *mask, odp_port_t odp_in_port,
2486 size_t max_mpls_depth, bool export_mask)
14608a15 2487{
df2c07f4 2488 struct ovs_key_ethernet *eth_key;
fea393b1 2489 size_t encap;
fbfe01de 2490 const struct flow *data = export_mask ? mask : flow;
661cbcd5 2491
54bb0348 2492 nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority);
abff858b 2493
fbfe01de 2494 if (flow->tunnel.ip_dst || export_mask) {
661cbcd5 2495 tun_key_to_attr(buf, &data->tunnel);
36956a7d
BP		 2496 }
2497
1362e248 2498 nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->pkt_mark);
72e8bf28 2499
fbfe01de 2500 if (data->recirc_id || (mask && mask->recirc_id)) {
572f732a
AZ		 2501 nl_msg_put_u32(buf, OVS_KEY_ATTR_RECIRC_ID, data->recirc_id);
2502 }
2503
fbfe01de 2504 if (data->dp_hash || (mask && mask->dp_hash)) {
572f732a
AZ		 2505 nl_msg_put_u32(buf, OVS_KEY_ATTR_DP_HASH, data->dp_hash);
2506 }
2507
661cbcd5
JP		 2508 /* Add an ingress port attribute if this is a mask or 'odp_in_port'
2509 * is not the magical value "ODPP_NONE". */
fbfe01de 2510 if (export_mask || odp_in_port != ODPP_NONE) {
4e022ec0 2511 nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, odp_in_port);
18886b60 2512 }
36956a7d 2513
df2c07f4 2514 eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET,
36956a7d 2515 sizeof *eth_key);
661cbcd5
JP		 2516 memcpy(eth_key->eth_src, data->dl_src, ETH_ADDR_LEN);
2517 memcpy(eth_key->eth_dst, data->dl_dst, ETH_ADDR_LEN);
36956a7d 2518
8ddc056d 2519 if (flow->vlan_tci != htons(0) || flow->dl_type == htons(ETH_TYPE_VLAN)) {
fbfe01de 2520 if (export_mask) {
b8266395 2521 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
bed7d6a1
JP		 2522 } else {
2523 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(ETH_TYPE_VLAN));
2524 }
661cbcd5 2525 nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, data->vlan_tci);
fea393b1 2526 encap = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP);
8ddc056d
BP		 2527 if (flow->vlan_tci == htons(0)) {
2528 goto unencap;
2529 }
fea393b1
BP		 2530 } else {
2531 encap = 0;
36956a7d
BP		 2532 }
2533
2534 if (ntohs(flow->dl_type) < ETH_TYPE_MIN) {
661cbcd5
JP		 2535 /* For backwards compatibility with kernels that don't support
2536 * wildcarding, the following convention is used to encode the
2537 * OVS_KEY_ATTR_ETHERTYPE for key and mask:
2538 *
2539 * key mask matches
2540 * -------- -------- -------
2541 * >0x5ff 0xffff Specified Ethernet II Ethertype.
2542 * >0x5ff 0 Any Ethernet II or non-Ethernet II frame.
2543 * <none> 0xffff Any non-Ethernet II frame (except valid
2544 * 802.3 SNAP packet with valid eth_type).
2545 */
fbfe01de 2546 if (export_mask) {
b8266395 2547 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
661cbcd5 2548 }
fea393b1 2549 goto unencap;
36956a7d
BP		 2550 }
2551
661cbcd5 2552 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, data->dl_type);
36956a7d
BP		 2553
2554 if (flow->dl_type == htons(ETH_TYPE_IP)) {
df2c07f4 2555 struct ovs_key_ipv4 *ipv4_key;
36956a7d 2556
df2c07f4 2557 ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4,
36956a7d 2558 sizeof *ipv4_key);
661cbcd5
JP		 2559 ipv4_key->ipv4_src = data->nw_src;
2560 ipv4_key->ipv4_dst = data->nw_dst;
2561 ipv4_key->ipv4_proto = data->nw_proto;
2562 ipv4_key->ipv4_tos = data->nw_tos;
2563 ipv4_key->ipv4_ttl = data->nw_ttl;
fbfe01de 2564 ipv4_key->ipv4_frag = export_mask ? ovs_to_odp_frag_mask(data->nw_frag)
431495b1 2565 : ovs_to_odp_frag(data->nw_frag);
d31f1109 2566 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
df2c07f4 2567 struct ovs_key_ipv6 *ipv6_key;
d31f1109 2568
df2c07f4 2569 ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6,
d31f1109 2570 sizeof *ipv6_key);
661cbcd5
JP		 2571 memcpy(ipv6_key->ipv6_src, &data->ipv6_src, sizeof ipv6_key->ipv6_src);
2572 memcpy(ipv6_key->ipv6_dst, &data->ipv6_dst, sizeof ipv6_key->ipv6_dst);
2573 ipv6_key->ipv6_label = data->ipv6_label;
2574 ipv6_key->ipv6_proto = data->nw_proto;
2575 ipv6_key->ipv6_tclass = data->nw_tos;
2576 ipv6_key->ipv6_hlimit = data->nw_ttl;
fbfe01de 2577 ipv6_key->ipv6_frag = export_mask ? ovs_to_odp_frag_mask(data->nw_frag)
431495b1 2578 : ovs_to_odp_frag(data->nw_frag);
8087f5ff
MM		 2579 } else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
2580 flow->dl_type == htons(ETH_TYPE_RARP)) {
df2c07f4 2581 struct ovs_key_arp *arp_key;
d31f1109 2582
9ddf12cc
BP		 2583 arp_key = nl_msg_put_unspec_zero(buf, OVS_KEY_ATTR_ARP,
2584 sizeof *arp_key);
661cbcd5
JP		 2585 arp_key->arp_sip = data->nw_src;
2586 arp_key->arp_tip = data->nw_dst;
2587 arp_key->arp_op = htons(data->nw_proto);
2588 memcpy(arp_key->arp_sha, data->arp_sha, ETH_ADDR_LEN);
2589 memcpy(arp_key->arp_tha, data->arp_tha, ETH_ADDR_LEN);
b0a17866 2590 } else if (eth_type_mpls(flow->dl_type)) {
b02475c5 2591 struct ovs_key_mpls *mpls_key;
8bfd0fda 2592 int i, n;
b02475c5 2593
8bfd0fda
BP		 2594 n = flow_count_mpls_labels(flow, NULL);
2595 n = MIN(n, max_mpls_depth);
b02475c5 2596 mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS,
8bfd0fda
BP		 2597 n * sizeof *mpls_key);
2598 for (i = 0; i < n; i++) {
2599 mpls_key[i].mpls_lse = data->mpls_lse[i];
2600 }
b02475c5
SH		 2601 }
2602
48cecbdc 2603 if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
6767a2cc 2604 if (flow->nw_proto == IPPROTO_TCP) {
df2c07f4 2605 struct ovs_key_tcp *tcp_key;
36956a7d 2606
df2c07f4 2607 tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP,
36956a7d 2608 sizeof *tcp_key);
661cbcd5
JP		 2609 tcp_key->tcp_src = data->tp_src;
2610 tcp_key->tcp_dst = data->tp_dst;
dc235f7f
JR		 2611
2612 if (data->tcp_flags) {
2613 nl_msg_put_be16(buf, OVS_KEY_ATTR_TCP_FLAGS, data->tcp_flags);
2614 }
6767a2cc 2615 } else if (flow->nw_proto == IPPROTO_UDP) {
df2c07f4 2616 struct ovs_key_udp *udp_key;
36956a7d 2617
df2c07f4 2618 udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP,
36956a7d 2619 sizeof *udp_key);
661cbcd5
JP		 2620 udp_key->udp_src = data->tp_src;
2621 udp_key->udp_dst = data->tp_dst;
c6bcb685
JS		 2622 } else if (flow->nw_proto == IPPROTO_SCTP) {
2623 struct ovs_key_sctp *sctp_key;
2624
2625 sctp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_SCTP,
2626 sizeof *sctp_key);
2627 sctp_key->sctp_src = data->tp_src;
2628 sctp_key->sctp_dst = data->tp_dst;
d31f1109
JP		 2629 } else if (flow->dl_type == htons(ETH_TYPE_IP)
2630 && flow->nw_proto == IPPROTO_ICMP) {
df2c07f4 2631 struct ovs_key_icmp *icmp_key;
36956a7d 2632
df2c07f4 2633 icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP,
36956a7d 2634 sizeof *icmp_key);
661cbcd5
JP		 2635 icmp_key->icmp_type = ntohs(data->tp_src);
2636 icmp_key->icmp_code = ntohs(data->tp_dst);
d31f1109
JP		 2637 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)
2638 && flow->nw_proto == IPPROTO_ICMPV6) {
df2c07f4 2639 struct ovs_key_icmpv6 *icmpv6_key;
d31f1109 2640
df2c07f4 2641 icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6,
d31f1109 2642 sizeof *icmpv6_key);
661cbcd5
JP		 2643 icmpv6_key->icmpv6_type = ntohs(data->tp_src);
2644 icmpv6_key->icmpv6_code = ntohs(data->tp_dst);
685a51a5 2645
d8efdda8
JS		 2646 if (flow->tp_dst == htons(0)
2647 && (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT)
2648 || flow->tp_src == htons(ND_NEIGHBOR_ADVERT))
2649 && (!export_mask || (data->tp_src == htons(0xffff)
2650 && data->tp_dst == htons(0xffff)))) {
6f8dbd27 2651
df2c07f4 2652 struct ovs_key_nd *nd_key;
685a51a5 2653
df2c07f4 2654 nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND,
685a51a5 2655 sizeof *nd_key);
661cbcd5 2656 memcpy(nd_key->nd_target, &data->nd_target,
685a51a5 2657 sizeof nd_key->nd_target);
661cbcd5
JP		 2658 memcpy(nd_key->nd_sll, data->arp_sha, ETH_ADDR_LEN);
2659 memcpy(nd_key->nd_tll, data->arp_tha, ETH_ADDR_LEN);
685a51a5 2660 }
36956a7d 2661 }
36956a7d 2662 }
fea393b1
BP		 2663
2664unencap:
2665 if (encap) {
2666 nl_msg_end_nested(buf, encap);
2667 }
36956a7d 2668}
661cbcd5
JP		 2669
2670/* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'.
2671 * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port
2672 * number rather than a datapath port number). Instead, if 'odp_in_port'
2673 * is anything other than ODPP_NONE, it is included in 'buf' as the input
2674 * port.
2675 *
2676 * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
2677 * capable of being expanded to allow for that much space. */
2678void
2679odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow,
fbfe01de 2680 const struct flow *mask, odp_port_t odp_in_port)
661cbcd5 2681{
fbfe01de 2682 odp_flow_key_from_flow__(buf, flow, mask, odp_in_port, SIZE_MAX, false);
661cbcd5
JP		 2683}
2684
2685/* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to
2686 * 'buf'. 'flow' is used as a template to determine how to interpret
2687 * 'mask'. For example, the 'dl_type' of 'mask' describes the mask, but
2688 * it doesn't indicate whether the other fields should be interpreted as
2689 * ARP, IPv4, IPv6, etc.
2690 *
2691 * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
2692 * capable of being expanded to allow for that much space. */
2693void
2694odp_flow_key_from_mask(struct ofpbuf *buf, const struct flow *mask,
8bfd0fda
BP		 2695 const struct flow *flow, uint32_t odp_in_port_mask,
2696 size_t max_mpls_depth)
661cbcd5 2697{
fbfe01de
AZ		 2698 odp_flow_key_from_flow__(buf, flow, mask,
2699 u32_to_odp(odp_in_port_mask), max_mpls_depth, true);
661cbcd5 2700}
36956a7d 2701
758c456d
JR		 2702/* Generate ODP flow key from the given packet metadata */
2703void
2704odp_key_from_pkt_metadata(struct ofpbuf *buf, const struct pkt_metadata *md)
2705{
2706 nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, md->skb_priority);
2707
2708 if (md->tunnel.ip_dst) {
2709 tun_key_to_attr(buf, &md->tunnel);
2710 }
2711
2712 nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, md->pkt_mark);
2713
2714 /* Add an ingress port attribute if 'odp_in_port' is not the magical
2715 * value "ODPP_NONE". */
b5e7e61a
AZ		 2716 if (md->in_port.odp_port != ODPP_NONE) {
2717 nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, md->in_port.odp_port);
758c456d
JR		 2718 }
2719}
2720
2721/* Generate packet metadata from the given ODP flow key. */
2722void
2723odp_key_to_pkt_metadata(const struct nlattr *key, size_t key_len,
2724 struct pkt_metadata *md)
2725{
2726 const struct nlattr *nla;
2727 size_t left;
2728 uint32_t wanted_attrs = 1u << OVS_KEY_ATTR_PRIORITY |
2729 1u << OVS_KEY_ATTR_SKB_MARK | 1u << OVS_KEY_ATTR_TUNNEL |
2730 1u << OVS_KEY_ATTR_IN_PORT;
2731
b5e7e61a 2732 *md = PKT_METADATA_INITIALIZER(ODPP_NONE);
758c456d
JR		 2733
2734 NL_ATTR_FOR_EACH (nla, left, key, key_len) {
2735 uint16_t type = nl_attr_type(nla);
2736 size_t len = nl_attr_get_size(nla);
2737 int expected_len = odp_flow_key_attr_len(type);
2738
2739 if (len != expected_len && expected_len >= 0) {
2740 continue;
2741 }
2742
572f732a
AZ		 2743 switch (type) {
2744 case OVS_KEY_ATTR_RECIRC_ID:
2745 md->recirc_id = nl_attr_get_u32(nla);
2746 wanted_attrs &= ~(1u << OVS_KEY_ATTR_RECIRC_ID);
2747 break;
2748 case OVS_KEY_ATTR_DP_HASH:
2749 md->dp_hash = nl_attr_get_u32(nla);
2750 wanted_attrs &= ~(1u << OVS_KEY_ATTR_DP_HASH);
2751 break;
2752 case OVS_KEY_ATTR_PRIORITY:
758c456d
JR		 2753 md->skb_priority = nl_attr_get_u32(nla);
2754 wanted_attrs &= ~(1u << OVS_KEY_ATTR_PRIORITY);
572f732a
AZ		 2755 break;
2756 case OVS_KEY_ATTR_SKB_MARK:
758c456d
JR		 2757 md->pkt_mark = nl_attr_get_u32(nla);
2758 wanted_attrs &= ~(1u << OVS_KEY_ATTR_SKB_MARK);
572f732a
AZ		 2759 break;
2760 case OVS_KEY_ATTR_TUNNEL: {
758c456d
JR		 2761 enum odp_key_fitness res;
2762
2763 res = odp_tun_key_from_attr(nla, &md->tunnel);
2764 if (res == ODP_FIT_ERROR) {
2765 memset(&md->tunnel, 0, sizeof md->tunnel);
2766 } else if (res == ODP_FIT_PERFECT) {
2767 wanted_attrs &= ~(1u << OVS_KEY_ATTR_TUNNEL);
2768 }
572f732a
AZ		 2769 break;
2770 }
2771 case OVS_KEY_ATTR_IN_PORT:
b5e7e61a 2772 md->in_port.odp_port = nl_attr_get_odp_port(nla);
758c456d 2773 wanted_attrs &= ~(1u << OVS_KEY_ATTR_IN_PORT);
572f732a
AZ		 2774 break;
2775 default:
2776 break;
758c456d
JR		 2777 }
2778
2779 if (!wanted_attrs) {
2780 return; /* Have everything. */
2781 }
2782 }
2783}
2784
b0f7b9b5
BP		 2785uint32_t
2786odp_flow_key_hash(const struct nlattr *key, size_t key_len)
2787{
2788 BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t)));
db5a1019
AW		 2789 return hash_words(ALIGNED_CAST(const uint32_t *, key),
2790 key_len / sizeof(uint32_t), 0);
b0f7b9b5
BP		 2791}
2792
34118cae
BP		 2793static void
2794log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title,
b0f7b9b5 2795 uint64_t attrs, int out_of_range_attr,
34118cae
BP		 2796 const struct nlattr *key, size_t key_len)
2797{
2798 struct ds s;
2799 int i;
2800
b0f7b9b5 2801 if (VLOG_DROP_DBG(rl)) {
34118cae
BP		 2802 return;
2803 }
2804
2805 ds_init(&s);
b0f7b9b5
BP		 2806 for (i = 0; i < 64; i++) {
2807 if (attrs & (UINT64_C(1) << i)) {
e6603631
BP		 2808 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2809
2810 ds_put_format(&s, " %s",
2811 ovs_key_attr_to_string(i, namebuf, sizeof namebuf));
34118cae
BP		 2812 }
2813 }
b0f7b9b5
BP		 2814 if (out_of_range_attr) {
2815 ds_put_format(&s, " %d (and possibly others)", out_of_range_attr);
2816 }
34118cae
BP		 2817
2818 ds_put_cstr(&s, ": ");
2819 odp_flow_key_format(key, key_len, &s);
2820
b0f7b9b5 2821 VLOG_DBG("%s:%s", title, ds_cstr(&s));
34118cae
BP		 2822 ds_destroy(&s);
2823}
2824
7257b535 2825static bool
9e44d715 2826odp_to_ovs_frag(uint8_t odp_frag, struct flow *flow)
7257b535 2827{
34118cae
BP		 2828 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2829
9e44d715 2830 if (odp_frag > OVS_FRAG_TYPE_LATER) {
b0f7b9b5 2831 VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag);
7257b535
BP		 2832 return false;
2833 }
2834
7257b535 2835 if (odp_frag != OVS_FRAG_TYPE_NONE) {
eadef313 2836 flow->nw_frag |= FLOW_NW_FRAG_ANY;
7257b535 2837 if (odp_frag == OVS_FRAG_TYPE_LATER) {
eadef313 2838 flow->nw_frag |= FLOW_NW_FRAG_LATER;
7257b535
BP		 2839 }
2840 }
2841 return true;
2842}
2843
b0f7b9b5 2844static bool
fea393b1 2845parse_flow_nlattrs(const struct nlattr *key, size_t key_len,
b0f7b9b5
BP		 2846 const struct nlattr *attrs[], uint64_t *present_attrsp,
2847 int *out_of_range_attrp)
36956a7d 2848{
b0f7b9b5 2849 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
36956a7d 2850 const struct nlattr *nla;
34118cae 2851 uint64_t present_attrs;
36956a7d
BP		 2852 size_t left;
2853
2aef1214 2854 BUILD_ASSERT(OVS_KEY_ATTR_MAX < CHAR_BIT * sizeof present_attrs);
34118cae 2855 present_attrs = 0;
b0f7b9b5 2856 *out_of_range_attrp = 0;
36956a7d 2857 NL_ATTR_FOR_EACH (nla, left, key, key_len) {
34118cae
BP		 2858 uint16_t type = nl_attr_type(nla);
2859 size_t len = nl_attr_get_size(nla);
2860 int expected_len = odp_flow_key_attr_len(type);
2861
b0f7b9b5 2862 if (len != expected_len && expected_len >= 0) {
e6603631
BP		 2863 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2864
34582733 2865 VLOG_ERR_RL(&rl, "attribute %s has length %"PRIuSIZE" but should have "
e6603631
BP		 2866 "length %d", ovs_key_attr_to_string(type, namebuf,
2867 sizeof namebuf),
b0f7b9b5
BP		 2868 len, expected_len);
2869 return false;
34118cae
BP		 2870 }
2871
2aef1214 2872 if (type > OVS_KEY_ATTR_MAX) {
b0f7b9b5
BP		 2873 *out_of_range_attrp = type;
2874 } else {
2875 if (present_attrs & (UINT64_C(1) << type)) {
e6603631
BP		 2876 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2877
b0f7b9b5 2878 VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key",
e6603631
BP		 2879 ovs_key_attr_to_string(type,
2880 namebuf, sizeof namebuf));
b0f7b9b5
BP		 2881 return false;
2882 }
2883
2884 present_attrs |= UINT64_C(1) << type;
2885 attrs[type] = nla;
2886 }
34118cae
BP		 2887 }
2888 if (left) {
2889 VLOG_ERR_RL(&rl, "trailing garbage in flow key");
b0f7b9b5 2890 return false;
34118cae
BP		 2891 }
2892
fea393b1 2893 *present_attrsp = present_attrs;
b0f7b9b5 2894 return true;
fea393b1
BP		 2895}
2896
b0f7b9b5
BP		 2897static enum odp_key_fitness
2898check_expectations(uint64_t present_attrs, int out_of_range_attr,
2899 uint64_t expected_attrs,
fea393b1
BP		 2900 const struct nlattr *key, size_t key_len)
2901{
2902 uint64_t missing_attrs;
2903 uint64_t extra_attrs;
2904
2905 missing_attrs = expected_attrs & ~present_attrs;
2906 if (missing_attrs) {
b0f7b9b5
BP		 2907 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
2908 log_odp_key_attributes(&rl, "expected but not present",
2909 missing_attrs, 0, key, key_len);
2910 return ODP_FIT_TOO_LITTLE;
fea393b1
BP		 2911 }
2912
2913 extra_attrs = present_attrs & ~expected_attrs;
b0f7b9b5
BP		 2914 if (extra_attrs || out_of_range_attr) {
2915 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
2916 log_odp_key_attributes(&rl, "present but not expected",
2917 extra_attrs, out_of_range_attr, key, key_len);
2918 return ODP_FIT_TOO_MUCH;
fea393b1
BP		 2919 }
2920
b0f7b9b5 2921 return ODP_FIT_PERFECT;
fea393b1
BP		 2922}
2923
b0f7b9b5
BP		 2924static bool
2925parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
2926 uint64_t present_attrs, uint64_t *expected_attrs,
4a221615 2927 struct flow *flow, const struct flow *src_flow)
fea393b1
BP		 2928{
2929 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
4a221615 2930 bool is_mask = flow != src_flow;
36956a7d 2931
fea393b1 2932 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) {
34118cae 2933 flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]);
4a221615 2934 if (!is_mask && ntohs(flow->dl_type) < ETH_TYPE_MIN) {
34118cae
BP		 2935 VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key",
2936 ntohs(flow->dl_type));
b0f7b9b5 2937 return false;
34118cae 2938 }
4a221615
GY		 2939 if (is_mask && ntohs(src_flow->dl_type) < ETH_TYPE_MIN &&
2940 flow->dl_type != htons(0xffff)) {
2941 return false;
2942 }
b0f7b9b5 2943 *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE;
34118cae 2944 } else {
4a221615
GY		 2945 if (!is_mask) {
2946 flow->dl_type = htons(FLOW_DL_TYPE_NONE);
2947 } else if (ntohs(src_flow->dl_type) < ETH_TYPE_MIN) {
2948 /* See comments in odp_flow_key_from_flow__(). */
2949 VLOG_ERR_RL(&rl, "mask expected for non-Ethernet II frame");
2950 return false;
2951 }
34118cae 2952 }
b0f7b9b5
BP		 2953 return true;
2954}
2955
2956static enum odp_key_fitness
b02475c5
SH		 2957parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
2958 uint64_t present_attrs, int out_of_range_attr,
2959 uint64_t expected_attrs, struct flow *flow,
4a221615 2960 const struct nlattr *key, size_t key_len,
91a77332 2961 const struct flow *src_flow)
b0f7b9b5
BP		 2962{
2963 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
4a221615
GY		 2964 bool is_mask = src_flow != flow;
2965 const void *check_start = NULL;
2966 size_t check_len = 0;
2967 enum ovs_key_attr expected_bit = 0xff;
2968
2969 if (eth_type_mpls(src_flow->dl_type)) {
8bfd0fda
BP		 2970 size_t size = nl_attr_get_size(attrs[OVS_KEY_ATTR_MPLS]);
2971 const ovs_be32 *mpls_lse = nl_attr_get(attrs[OVS_KEY_ATTR_MPLS]);
2972 int n = size / sizeof(ovs_be32);
2973 int i;
2974
2975 if (!size || size % sizeof(ovs_be32)) {
2976 return ODP_FIT_ERROR;
2977 }
2978
91a77332
GS		 2979 if (!is_mask) {
2980 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS);
4a221615 2981
91a77332
GS		 2982 if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS))) {
2983 return ODP_FIT_TOO_LITTLE;
2984 }
4a221615 2985 } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) {
8bfd0fda 2986 if (flow->mpls_lse[0] && flow->dl_type != htons(0xffff)) {
4a221615
GY		 2987 return ODP_FIT_ERROR;
2988 }
2989 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS);
4a221615 2990 }
8bfd0fda
BP		 2991
2992 for (i = 0; i < n && i < FLOW_MAX_MPLS_LABELS; i++) {
2993 flow->mpls_lse[i] = mpls_lse[i];
2994 }
2995 if (n > FLOW_MAX_MPLS_LABELS) {
2996 return ODP_FIT_TOO_MUCH;
2997 }
2998
2999 if (!is_mask) {
3000 /* BOS may be set only in the innermost label. */
3001 for (i = 0; i < n - 1; i++) {
3002 if (flow->mpls_lse[i] & htonl(MPLS_BOS_MASK)) {
3003 return ODP_FIT_ERROR;
3004 }
3005 }
3006
3007 /* BOS must be set in the innermost label. */
3008 if (n < FLOW_MAX_MPLS_LABELS
3009 && !(flow->mpls_lse[n - 1] & htonl(MPLS_BOS_MASK))) {
3010 return ODP_FIT_TOO_LITTLE;
3011 }
3012 }
3013
4a221615
GY		 3014 goto done;
3015 } else if (src_flow->dl_type == htons(ETH_TYPE_IP)) {
3016 if (!is_mask) {
3017 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4;
b02475c5 3018 }
fea393b1 3019 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) {
34118cae 3020 const struct ovs_key_ipv4 *ipv4_key;
36956a7d 3021
34118cae 3022 ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]);
36956a7d
BP		 3023 flow->nw_src = ipv4_key->ipv4_src;
3024 flow->nw_dst = ipv4_key->ipv4_dst;
3025 flow->nw_proto = ipv4_key->ipv4_proto;
eadef313 3026 flow->nw_tos = ipv4_key->ipv4_tos;
a61680c6 3027 flow->nw_ttl = ipv4_key->ipv4_ttl;
4a221615 3028 if (is_mask) {
91a77332 3029 flow->nw_frag = ipv4_key->ipv4_frag;
4a221615
GY		 3030 check_start = ipv4_key;
3031 check_len = sizeof *ipv4_key;
3032 expected_bit = OVS_KEY_ATTR_IPV4;
3033 } else if (!odp_to_ovs_frag(ipv4_key->ipv4_frag, flow)) {
b0f7b9b5 3034 return ODP_FIT_ERROR;
36956a7d 3035 }
34118cae 3036 }
4a221615
GY		 3037 } else if (src_flow->dl_type == htons(ETH_TYPE_IPV6)) {
3038 if (!is_mask) {
3039 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6;
3040 }
fea393b1 3041 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) {
34118cae 3042 const struct ovs_key_ipv6 *ipv6_key;
36956a7d 3043
34118cae 3044 ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]);
d31f1109
JP		 3045 memcpy(&flow->ipv6_src, ipv6_key->ipv6_src, sizeof flow->ipv6_src);
3046 memcpy(&flow->ipv6_dst, ipv6_key->ipv6_dst, sizeof flow->ipv6_dst);
fa8223b7 3047 flow->ipv6_label = ipv6_key->ipv6_label;
d31f1109 3048 flow->nw_proto = ipv6_key->ipv6_proto;
eadef313 3049 flow->nw_tos = ipv6_key->ipv6_tclass;
a61680c6 3050 flow->nw_ttl = ipv6_key->ipv6_hlimit;
4a221615 3051 if (is_mask) {
91a77332 3052 flow->nw_frag = ipv6_key->ipv6_frag;
4a221615
GY		 3053 check_start = ipv6_key;
3054 check_len = sizeof *ipv6_key;
3055 expected_bit = OVS_KEY_ATTR_IPV6;
3056 } else if (!odp_to_ovs_frag(ipv6_key->ipv6_frag, flow)) {
b0f7b9b5 3057 return ODP_FIT_ERROR;
d31f1109 3058 }
34118cae 3059 }
4a221615
GY		 3060 } else if (src_flow->dl_type == htons(ETH_TYPE_ARP) ||
3061 src_flow->dl_type == htons(ETH_TYPE_RARP)) {
3062 if (!is_mask) {
3063 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP;
3064 }
fea393b1 3065 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) {
34118cae 3066 const struct ovs_key_arp *arp_key;
d31f1109 3067
34118cae 3068 arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]);
36956a7d
BP		 3069 flow->nw_src = arp_key->arp_sip;
3070 flow->nw_dst = arp_key->arp_tip;
4a221615 3071 if (!is_mask && (arp_key->arp_op & htons(0xff00))) {
34118cae
BP		 3072 VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow "
3073 "key", ntohs(arp_key->arp_op));
b0f7b9b5 3074 return ODP_FIT_ERROR;
36956a7d
BP		 3075 }
3076 flow->nw_proto = ntohs(arp_key->arp_op);
bad68a99
JP		 3077 memcpy(flow->arp_sha, arp_key->arp_sha, ETH_ADDR_LEN);
3078 memcpy(flow->arp_tha, arp_key->arp_tha, ETH_ADDR_LEN);
4a221615
GY		 3079
3080 if (is_mask) {
3081 check_start = arp_key;
3082 check_len = sizeof *arp_key;
3083 expected_bit = OVS_KEY_ATTR_ARP;
3084 }
3085 }
3086 } else {
3087 goto done;
3088 }
df4eeb20 3089 if (check_len > 0) { /* Happens only when 'is_mask'. */
4a221615
GY		 3090 if (!is_all_zeros(check_start, check_len) &&
3091 flow->dl_type != htons(0xffff)) {
3092 return ODP_FIT_ERROR;
3093 } else {
3094 expected_attrs |= UINT64_C(1) << expected_bit;
36956a7d 3095 }
36956a7d 3096 }
36956a7d 3097
4a221615
GY		 3098 expected_bit = OVS_KEY_ATTR_UNSPEC;
3099 if (src_flow->nw_proto == IPPROTO_TCP
3100 && (src_flow->dl_type == htons(ETH_TYPE_IP) ||
3101 src_flow->dl_type == htons(ETH_TYPE_IPV6))
3102 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
3103 if (!is_mask) {
3104 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP;
3105 }
fea393b1 3106 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) {
34118cae 3107 const struct ovs_key_tcp *tcp_key;
36956a7d 3108
34118cae
BP		 3109 tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]);
3110 flow->tp_src = tcp_key->tcp_src;
3111 flow->tp_dst = tcp_key->tcp_dst;
4a221615
GY		 3112 expected_bit = OVS_KEY_ATTR_TCP;
3113 }
dc235f7f
JR		 3114 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS)) {
3115 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS;
3116 flow->tcp_flags = nl_attr_get_be16(attrs[OVS_KEY_ATTR_TCP_FLAGS]);
3117 }
4a221615
GY		 3118 } else if (src_flow->nw_proto == IPPROTO_UDP
3119 && (src_flow->dl_type == htons(ETH_TYPE_IP) ||
3120 src_flow->dl_type == htons(ETH_TYPE_IPV6))
3121 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
3122 if (!is_mask) {
3123 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP;
7257b535 3124 }
fea393b1 3125 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) {
34118cae
BP		 3126 const struct ovs_key_udp *udp_key;
3127
3128 udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]);
3129 flow->tp_src = udp_key->udp_src;
3130 flow->tp_dst = udp_key->udp_dst;
4a221615
GY		 3131 expected_bit = OVS_KEY_ATTR_UDP;
3132 }
12848ebf
GS		 3133 } else if (src_flow->nw_proto == IPPROTO_SCTP
3134 && (src_flow->dl_type == htons(ETH_TYPE_IP) ||
3135 src_flow->dl_type == htons(ETH_TYPE_IPV6))
3136 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
c6bcb685
JS		 3137 if (!is_mask) {
3138 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SCTP;
3139 }
3140 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SCTP)) {
3141 const struct ovs_key_sctp *sctp_key;
3142
3143 sctp_key = nl_attr_get(attrs[OVS_KEY_ATTR_SCTP]);
3144 flow->tp_src = sctp_key->sctp_src;
3145 flow->tp_dst = sctp_key->sctp_dst;
3146 expected_bit = OVS_KEY_ATTR_SCTP;
3147 }
4a221615
GY		 3148 } else if (src_flow->nw_proto == IPPROTO_ICMP
3149 && src_flow->dl_type == htons(ETH_TYPE_IP)
3150 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
3151 if (!is_mask) {
3152 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP;
d31f1109 3153 }
fea393b1 3154 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) {
34118cae
BP		 3155 const struct ovs_key_icmp *icmp_key;
3156
3157 icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]);
3158 flow->tp_src = htons(icmp_key->icmp_type);
3159 flow->tp_dst = htons(icmp_key->icmp_code);
4a221615
GY		 3160 expected_bit = OVS_KEY_ATTR_ICMP;
3161 }
3162 } else if (src_flow->nw_proto == IPPROTO_ICMPV6
3163 && src_flow->dl_type == htons(ETH_TYPE_IPV6)
3164 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
3165 if (!is_mask) {
3166 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6;
685a51a5 3167 }
fea393b1 3168 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) {
34118cae
BP		 3169 const struct ovs_key_icmpv6 *icmpv6_key;
3170
3171 icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]);
3172 flow->tp_src = htons(icmpv6_key->icmpv6_type);
3173 flow->tp_dst = htons(icmpv6_key->icmpv6_code);
4a221615 3174 expected_bit = OVS_KEY_ATTR_ICMPV6;
6f8dbd27
GY		 3175 if (src_flow->tp_dst == htons(0) &&
3176 (src_flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
3177 src_flow->tp_src == htons(ND_NEIGHBOR_ADVERT))) {
4a221615
GY		 3178 if (!is_mask) {
3179 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
3180 }
fea393b1 3181 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) {
34118cae
BP		 3182 const struct ovs_key_nd *nd_key;
3183
3184 nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]);
3185 memcpy(&flow->nd_target, nd_key->nd_target,
3186 sizeof flow->nd_target);
3187 memcpy(flow->arp_sha, nd_key->nd_sll, ETH_ADDR_LEN);
3188 memcpy(flow->arp_tha, nd_key->nd_tll, ETH_ADDR_LEN);
4a221615
GY		 3189 if (is_mask) {
3190 if (!is_all_zeros((const uint8_t *) nd_key,
3191 sizeof *nd_key) &&
6f8dbd27
GY		 3192 (flow->tp_src != htons(0xffff) ||
3193 flow->tp_dst != htons(0xffff))) {
4a221615
GY		 3194 return ODP_FIT_ERROR;
3195 } else {
3196 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
3197 }
3198 }
34118cae
BP		 3199 }
3200 }
7257b535 3201 }
34118cae 3202 }
4a221615
GY		 3203 if (is_mask && expected_bit != OVS_KEY_ATTR_UNSPEC) {
3204 if ((flow->tp_src || flow->tp_dst) && flow->nw_proto != 0xff) {
3205 return ODP_FIT_ERROR;
3206 } else {
3207 expected_attrs |= UINT64_C(1) << expected_bit;
3208 }
3209 }
7257b535 3210
4a221615 3211done:
b0f7b9b5
BP		 3212 return check_expectations(present_attrs, out_of_range_attr, expected_attrs,
3213 key, key_len);
3214}
3215
3216/* Parse 802.1Q header then encapsulated L3 attributes. */
3217static enum odp_key_fitness
3218parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
3219 uint64_t present_attrs, int out_of_range_attr,
3220 uint64_t expected_attrs, struct flow *flow,
4a221615
GY		 3221 const struct nlattr *key, size_t key_len,
3222 const struct flow *src_flow)
b0f7b9b5
BP		 3223{
3224 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
4a221615 3225 bool is_mask = src_flow != flow;
b0f7b9b5
BP		 3226
3227 const struct nlattr *encap
3228 = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)
3229 ? attrs[OVS_KEY_ATTR_ENCAP] : NULL);
3230 enum odp_key_fitness encap_fitness;
3231 enum odp_key_fitness fitness;
b0f7b9b5 3232
ec9f40dc 3233 /* Calculate fitness of outer attributes. */
4a221615
GY		 3234 if (!is_mask) {
3235 expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) |
3236 (UINT64_C(1) << OVS_KEY_ATTR_ENCAP));
3237 } else {
3238 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) {
3239 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN);
3240 }
3241 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)) {
3242 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_ENCAP);
3243 }
3244 }
b0f7b9b5
BP		 3245 fitness = check_expectations(present_attrs, out_of_range_attr,
3246 expected_attrs, key, key_len);
3247
3e634810
BP		 3248 /* Set vlan_tci.
3249 * Remove the TPID from dl_type since it's not the real Ethertype. */
3250 flow->dl_type = htons(0);
3251 flow->vlan_tci = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)
3252 ? nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN])
3253 : htons(0));
3254 if (!is_mask) {
3255 if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN))) {
3256 return ODP_FIT_TOO_LITTLE;
3257 } else if (flow->vlan_tci == htons(0)) {
3258 /* Corner case for a truncated 802.1Q header. */
3259 if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) {
3260 return ODP_FIT_TOO_MUCH;
3261 }
3262 return fitness;
3263 } else if (!(flow->vlan_tci & htons(VLAN_CFI))) {
3264 VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero "
3265 "but CFI bit is not set", ntohs(flow->vlan_tci));
3266 return ODP_FIT_ERROR;
3267 }
4a221615 3268 } else {
3e634810
BP		 3269 if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) {
3270 return fitness;
4a221615 3271 }
4a221615
GY		 3272 }
3273
b0f7b9b5
BP		 3274 /* Now parse the encapsulated attributes. */
3275 if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap),
3276 attrs, &present_attrs, &out_of_range_attr)) {
3277 return ODP_FIT_ERROR;
3278 }
3279 expected_attrs = 0;
3280
4a221615 3281 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, src_flow)) {
b0f7b9b5
BP		 3282 return ODP_FIT_ERROR;
3283 }
b02475c5 3284 encap_fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
4a221615
GY		 3285 expected_attrs, flow, key, key_len,
3286 src_flow);
b0f7b9b5
BP		 3287
3288 /* The overall fitness is the worse of the outer and inner attributes. */
3289 return MAX(fitness, encap_fitness);
3290}
3291
4a221615
GY		 3292static enum odp_key_fitness
3293odp_flow_key_to_flow__(const struct nlattr *key, size_t key_len,
3294 struct flow *flow, const struct flow *src_flow)
b0f7b9b5 3295{
b0f7b9b5
BP		 3296 const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1];
3297 uint64_t expected_attrs;
3298 uint64_t present_attrs;
3299 int out_of_range_attr;
4a221615 3300 bool is_mask = src_flow != flow;
b0f7b9b5
BP		 3301
3302 memset(flow, 0, sizeof *flow);
3303
3304 /* Parse attributes. */
3305 if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs,
3306 &out_of_range_attr)) {
3307 return ODP_FIT_ERROR;
3308 }
3309 expected_attrs = 0;
3310
3311 /* Metadata. */
572f732a
AZ		 3312 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID)) {
3313 flow->recirc_id = nl_attr_get_u32(attrs[OVS_KEY_ATTR_RECIRC_ID]);
3314 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID;
3315 } else if (is_mask) {
8c1b077f 3316 /* Always exact match recirc_id if it is not specified. */
572f732a
AZ		 3317 flow->recirc_id = UINT32_MAX;
3318 }
3319
3320 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_DP_HASH)) {
3321 flow->dp_hash = nl_attr_get_u32(attrs[OVS_KEY_ATTR_DP_HASH]);
3322 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_DP_HASH;
3323 }
b0f7b9b5 3324 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) {
deedf7e7 3325 flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]);
b0f7b9b5
BP		 3326 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY;
3327 }
3328
72e8bf28 3329 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) {
1362e248 3330 flow->pkt_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]);
72e8bf28
AA		 3331 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK;
3332 }
3333
9b405f1a
PS		 3334 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) {
3335 enum odp_key_fitness res;
05fb0928 3336
617e10e7 3337 res = odp_tun_key_from_attr(attrs[OVS_KEY_ATTR_TUNNEL], &flow->tunnel);
9b405f1a
PS		 3338 if (res == ODP_FIT_ERROR) {
3339 return ODP_FIT_ERROR;
3340 } else if (res == ODP_FIT_PERFECT) {
3341 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL;
05fb0928
JR		 3342 }
3343 }
3344
b0f7b9b5 3345 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) {
4e022ec0
AW		 3346 flow->in_port.odp_port
3347 = nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]);
b0f7b9b5 3348 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT;
4a221615 3349 } else if (!is_mask) {
4e022ec0 3350 flow->in_port.odp_port = ODPP_NONE;
b0f7b9b5
BP		 3351 }
3352
3353 /* Ethernet header. */
3354 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) {
3355 const struct ovs_key_ethernet *eth_key;
3356
3357 eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]);
3358 memcpy(flow->dl_src, eth_key->eth_src, ETH_ADDR_LEN);
3359 memcpy(flow->dl_dst, eth_key->eth_dst, ETH_ADDR_LEN);
4a221615
GY		 3360 if (is_mask) {
3361 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
3362 }
3363 }
3364 if (!is_mask) {
3365 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
b0f7b9b5 3366 }
b0f7b9b5
BP		 3367
3368 /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */
4a221615
GY		 3369 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow,
3370 src_flow)) {
b0f7b9b5
BP		 3371 return ODP_FIT_ERROR;
3372 }
3373
21e70add
BP		 3374 if (is_mask
3375 ? (src_flow->vlan_tci & htons(VLAN_CFI)) != 0
3376 : src_flow->dl_type == htons(ETH_TYPE_VLAN)) {
b0f7b9b5 3377 return parse_8021q_onward(attrs, present_attrs, out_of_range_attr,
4a221615
GY		 3378 expected_attrs, flow, key, key_len, src_flow);
3379 }
3380 if (is_mask) {
3381 flow->vlan_tci = htons(0xffff);
3382 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) {
3383 flow->vlan_tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]);
3384 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN);
3385 }
b0f7b9b5 3386 }
b02475c5 3387 return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
4a221615
GY		 3388 expected_attrs, flow, key, key_len, src_flow);
3389}
3390
3391/* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow
3392 * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well
3393 * 'key' fits our expectations for what a flow key should contain.
3394 *
3395 * The 'in_port' will be the datapath's understanding of the port. The
3396 * caller will need to translate with odp_port_to_ofp_port() if the
3397 * OpenFlow port is needed.
3398 *
3399 * This function doesn't take the packet itself as an argument because none of
3400 * the currently understood OVS_KEY_ATTR_* attributes require it. Currently,
3401 * it is always possible to infer which additional attribute(s) should appear
3402 * by looking at the attributes for lower-level protocols, e.g. if the network
3403 * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we
3404 * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it
3405 * must be absent. */
3406enum odp_key_fitness
3407odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
3408 struct flow *flow)
3409{
3410 return odp_flow_key_to_flow__(key, key_len, flow, flow);
3411}
3412
3413/* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a mask
3414 * structure in 'mask'. 'flow' must be a previously translated flow
3415 * corresponding to 'mask'. Returns an ODP_FIT_* value that indicates how well
3416 * 'key' fits our expectations for what a flow key should contain. */
3417enum odp_key_fitness
3418odp_flow_key_to_mask(const struct nlattr *key, size_t key_len,
3419 struct flow *mask, const struct flow *flow)
3420{
3421 return odp_flow_key_to_flow__(key, key_len, mask, flow);
14608a15 3422}
39db78a0 3423
6814e51f
BP		 3424/* Returns 'fitness' as a string, for use in debug messages. */
3425const char *
3426odp_key_fitness_to_string(enum odp_key_fitness fitness)
3427{
3428 switch (fitness) {
3429 case ODP_FIT_PERFECT:
3430 return "OK";
3431 case ODP_FIT_TOO_MUCH:
3432 return "too_much";
3433 case ODP_FIT_TOO_LITTLE:
3434 return "too_little";
3435 case ODP_FIT_ERROR:
3436 return "error";
3437 default:
3438 return "<unknown>";
3439 }
3440}
3441
39db78a0 3442/* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies
e995e3df
BP		 3443 * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute
3444 * whose contents are the 'userdata_size' bytes at 'userdata' and returns the
3445 * offset within 'odp_actions' of the start of the cookie. (If 'userdata' is
3446 * null, then the return value is not meaningful.) */
39db78a0 3447size_t
e995e3df
BP		 3448odp_put_userspace_action(uint32_t pid,
3449 const void *userdata, size_t userdata_size,
39db78a0
BP		 3450 struct ofpbuf *odp_actions)
3451{
e995e3df 3452 size_t userdata_ofs;
39db78a0
BP		 3453 size_t offset;
3454
3455 offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE);
3456 nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid);
e995e3df 3457 if (userdata) {
1f317cb5 3458 userdata_ofs = ofpbuf_size(odp_actions) + NLA_HDRLEN;
96ed775f
BP		 3459
3460 /* The OVS kernel module before OVS 1.11 and the upstream Linux kernel
3461 * module before Linux 3.10 required the userdata to be exactly 8 bytes
3462 * long:
3463 *
3464 * - The kernel rejected shorter userdata with -ERANGE.
3465 *
3466 * - The kernel silently dropped userdata beyond the first 8 bytes.
3467 *
3468 * Thus, for maximum compatibility, always put at least 8 bytes. (We
3469 * separately disable features that required more than 8 bytes.) */
3470 memcpy(nl_msg_put_unspec_zero(odp_actions, OVS_USERSPACE_ATTR_USERDATA,
3471 MAX(8, userdata_size)),
3472 userdata, userdata_size);
e995e3df
BP		 3473 } else {
3474 userdata_ofs = 0;
39db78a0
BP		 3475 }
3476 nl_msg_end_nested(odp_actions, offset);
3477
e995e3df 3478 return userdata_ofs;
39db78a0 3479}
b9ad7294
EJ		 3480
3481void
3482odp_put_tunnel_action(const struct flow_tnl *tunnel,
3483 struct ofpbuf *odp_actions)
3484{
3485 size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
3486 tun_key_to_attr(odp_actions, tunnel);
3487 nl_msg_end_nested(odp_actions, offset);
3488}
5bbda0aa
EJ		 3489\f
3490/* The commit_odp_actions() function and its helpers. */
3491
3492static void
3493commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type,
3494 const void *key, size_t key_size)
3495{
3496 size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
3497 nl_msg_put_unspec(odp_actions, key_type, key, key_size);
3498 nl_msg_end_nested(odp_actions, offset);
3499}
3500
09a0d2e7 3501void
1362e248 3502odp_put_pkt_mark_action(const uint32_t pkt_mark,
09a0d2e7
AA		 3503 struct ofpbuf *odp_actions)
3504{
1362e248
JG		 3505 commit_set_action(odp_actions, OVS_KEY_ATTR_SKB_MARK, &pkt_mark,
3506 sizeof(pkt_mark));
09a0d2e7
AA		 3507}
3508
b9ad7294
EJ		 3509/* If any of the flow key data that ODP actions can modify are different in
3510 * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to
3511 * 'odp_actions' that change the flow tunneling information in key from
3512 * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the
3513 * same way. In other words, operates the same as commit_odp_actions(), but
3514 * only on tunneling information. */
3515void
3516commit_odp_tunnel_action(const struct flow *flow, struct flow *base,
5bbda0aa
EJ		 3517 struct ofpbuf *odp_actions)
3518{
05fb0928
JR		 3519 /* A valid IPV4_TUNNEL must have non-zero ip_dst. */
3520 if (flow->tunnel.ip_dst) {
fc80de30
JR		 3521 if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) {
3522 return;
3523 }
3524 memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel);
b9ad7294 3525 odp_put_tunnel_action(&base->tunnel, odp_actions);
05fb0928 3526 }
5bbda0aa
EJ		 3527}
3528
3529static void
3530commit_set_ether_addr_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3531 struct ofpbuf *odp_actions,
3532 struct flow_wildcards *wc)
5bbda0aa
EJ		 3533{
3534 struct ovs_key_ethernet eth_key;
3535
3536 if (eth_addr_equals(base->dl_src, flow->dl_src) &&
3537 eth_addr_equals(base->dl_dst, flow->dl_dst)) {
3538 return;
3539 }
3540
1dd35f8a
JP		 3541 memset(&wc->masks.dl_src, 0xff, sizeof wc->masks.dl_src);
3542 memset(&wc->masks.dl_dst, 0xff, sizeof wc->masks.dl_dst);
3543
5bbda0aa
EJ		 3544 memcpy(base->dl_src, flow->dl_src, ETH_ADDR_LEN);
3545 memcpy(base->dl_dst, flow->dl_dst, ETH_ADDR_LEN);
3546
3547 memcpy(eth_key.eth_src, base->dl_src, ETH_ADDR_LEN);
3548 memcpy(eth_key.eth_dst, base->dl_dst, ETH_ADDR_LEN);
3549
3550 commit_set_action(odp_actions, OVS_KEY_ATTR_ETHERNET,
3551 &eth_key, sizeof(eth_key));
3552}
3553
3554static void
8bfd0fda
BP		 3555pop_vlan(struct flow *base,
3556 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa 3557{
1dd35f8a
JP		 3558 memset(&wc->masks.vlan_tci, 0xff, sizeof wc->masks.vlan_tci);
3559
5bbda0aa
EJ		 3560 if (base->vlan_tci & htons(VLAN_CFI)) {
3561 nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN);
8bfd0fda
BP		 3562 base->vlan_tci = 0;
3563 }
3564}
3565
3566static void
3567commit_vlan_action(ovs_be16 vlan_tci, struct flow *base,
3568 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
3569{
3570 if (base->vlan_tci == vlan_tci) {
3571 return;
5bbda0aa
EJ		 3572 }
3573
8bfd0fda 3574 pop_vlan(base, odp_actions, wc);
8fd16af2 3575 if (vlan_tci & htons(VLAN_CFI)) {
5bbda0aa
EJ		 3576 struct ovs_action_push_vlan vlan;
3577
3578 vlan.vlan_tpid = htons(ETH_TYPE_VLAN);
8fd16af2 3579 vlan.vlan_tci = vlan_tci;
5bbda0aa
EJ		 3580 nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN,
3581 &vlan, sizeof vlan);
3582 }
8fd16af2 3583 base->vlan_tci = vlan_tci;
5bbda0aa
EJ		 3584}
3585
b02475c5
SH		 3586static void
3587commit_mpls_action(const struct flow *flow, struct flow *base,
8bfd0fda 3588 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
b02475c5 3589{
8bfd0fda
BP		 3590 int base_n = flow_count_mpls_labels(base, wc);
3591 int flow_n = flow_count_mpls_labels(flow, wc);
3592 int common_n = flow_count_common_mpls_labels(flow, flow_n, base, base_n,
3593 wc);
3594
3595 while (base_n > common_n) {
3596 if (base_n - 1 == common_n && flow_n > common_n) {
3597 /* If there is only one more LSE in base than there are common
3598 * between base and flow; and flow has at least one more LSE than
3599 * is common then the topmost LSE of base may be updated using
3600 * set */
3601 struct ovs_key_mpls mpls_key;
3602
3603 mpls_key.mpls_lse = flow->mpls_lse[flow_n - base_n];
3604 commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS,
3605 &mpls_key, sizeof mpls_key);
3606 flow_set_mpls_lse(base, 0, mpls_key.mpls_lse);
3607 common_n++;
3608 } else {
3609 /* Otherwise, if there more LSEs in base than are common between
3610 * base and flow then pop the topmost one. */
3611 ovs_be16 dl_type;
3612 bool popped;
3613
3614 /* If all the LSEs are to be popped and this is not the outermost
3615 * LSE then use ETH_TYPE_MPLS as the ethertype parameter of the
3616 * POP_MPLS action instead of flow->dl_type.
3617 *
3618 * This is because the POP_MPLS action requires its ethertype
3619 * argument to be an MPLS ethernet type but in this case
3620 * flow->dl_type will be a non-MPLS ethernet type.
3621 *
3622 * When the final POP_MPLS action occurs it use flow->dl_type and
3623 * the and the resulting packet will have the desired dl_type. */
3624 if ((!eth_type_mpls(flow->dl_type)) && base_n > 1) {
3625 dl_type = htons(ETH_TYPE_MPLS);
3626 } else {
3627 dl_type = flow->dl_type;
3628 }
3629 nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, dl_type);
3630 popped = flow_pop_mpls(base, base_n, flow->dl_type, wc);
3631 ovs_assert(popped);
3632 base_n--;
3633 }
b02475c5
SH		 3634 }
3635
8bfd0fda
BP		 3636 /* If, after the above popping and setting, there are more LSEs in flow
3637 * than base then some LSEs need to be pushed. */
3638 while (base_n < flow_n) {
b02475c5
SH		 3639 struct ovs_action_push_mpls *mpls;
3640
8bfd0fda
BP		 3641 mpls = nl_msg_put_unspec_zero(odp_actions,
3642 OVS_ACTION_ATTR_PUSH_MPLS,
9ddf12cc 3643 sizeof *mpls);
b02475c5 3644 mpls->mpls_ethertype = flow->dl_type;
8bfd0fda
BP		 3645 mpls->mpls_lse = flow->mpls_lse[flow_n - base_n - 1];
3646 flow_push_mpls(base, base_n, mpls->mpls_ethertype, wc);
3647 flow_set_mpls_lse(base, 0, mpls->mpls_lse);
3648 base_n++;
b0a17866 3649 }
b02475c5
SH		 3650}
3651
5bbda0aa 3652static void
c4f2731d 3653commit_set_ipv4_action(const struct flow *flow, struct flow *base,
1dd35f8a 3654 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa
EJ		 3655{
3656 struct ovs_key_ipv4 ipv4_key;
3657
5bbda0aa
EJ		 3658 if (base->nw_src == flow->nw_src &&
3659 base->nw_dst == flow->nw_dst &&
3660 base->nw_tos == flow->nw_tos &&
3661 base->nw_ttl == flow->nw_ttl &&
3662 base->nw_frag == flow->nw_frag) {
3663 return;
3664 }
3665
1dd35f8a
JP		 3666 memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src);
3667 memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst);
3668 memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos);
3669 memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl);
3670 memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
3671 memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag);
3672
5bbda0aa
EJ		 3673 ipv4_key.ipv4_src = base->nw_src = flow->nw_src;
3674 ipv4_key.ipv4_dst = base->nw_dst = flow->nw_dst;
3675 ipv4_key.ipv4_tos = base->nw_tos = flow->nw_tos;
3676 ipv4_key.ipv4_ttl = base->nw_ttl = flow->nw_ttl;
3677 ipv4_key.ipv4_proto = base->nw_proto;
c4f2731d 3678 ipv4_key.ipv4_frag = ovs_to_odp_frag(base->nw_frag);
5bbda0aa
EJ		 3679
3680 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV4,
3681 &ipv4_key, sizeof(ipv4_key));
3682}
3683
c4f2731d
PS		 3684static void
3685commit_set_ipv6_action(const struct flow *flow, struct flow *base,
1dd35f8a 3686 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
c4f2731d
PS		 3687{
3688 struct ovs_key_ipv6 ipv6_key;
3689
3690 if (ipv6_addr_equals(&base->ipv6_src, &flow->ipv6_src) &&
3691 ipv6_addr_equals(&base->ipv6_dst, &flow->ipv6_dst) &&
3692 base->ipv6_label == flow->ipv6_label &&
3693 base->nw_tos == flow->nw_tos &&
3694 base->nw_ttl == flow->nw_ttl &&
3695 base->nw_frag == flow->nw_frag) {
3696 return;
3697 }
3698
1dd35f8a
JP		 3699 memset(&wc->masks.ipv6_src, 0xff, sizeof wc->masks.ipv6_src);
3700 memset(&wc->masks.ipv6_dst, 0xff, sizeof wc->masks.ipv6_dst);
3701 memset(&wc->masks.ipv6_label, 0xff, sizeof wc->masks.ipv6_label);
3702 memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos);
3703 memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl);
3704 memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
3705 memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag);
3706
c4f2731d
PS		 3707 base->ipv6_src = flow->ipv6_src;
3708 memcpy(&ipv6_key.ipv6_src, &base->ipv6_src, sizeof(ipv6_key.ipv6_src));
3709 base->ipv6_dst = flow->ipv6_dst;
3710 memcpy(&ipv6_key.ipv6_dst, &base->ipv6_dst, sizeof(ipv6_key.ipv6_dst));
3711
3712 ipv6_key.ipv6_label = base->ipv6_label = flow->ipv6_label;
3713 ipv6_key.ipv6_tclass = base->nw_tos = flow->nw_tos;
3714 ipv6_key.ipv6_hlimit = base->nw_ttl = flow->nw_ttl;
3715 ipv6_key.ipv6_proto = base->nw_proto;
3716 ipv6_key.ipv6_frag = ovs_to_odp_frag(base->nw_frag);
3717
3718 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV6,
3719 &ipv6_key, sizeof(ipv6_key));
3720}
3721
f6c8a6b1
BP		 3722static enum slow_path_reason
3723commit_set_arp_action(const struct flow *flow, struct flow *base,
3724 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
3725{
3726 struct ovs_key_arp arp_key;
3727
3728 if (base->nw_src == flow->nw_src &&
3729 base->nw_dst == flow->nw_dst &&
3730 base->nw_proto == flow->nw_proto &&
3731 eth_addr_equals(base->arp_sha, flow->arp_sha) &&
3732 eth_addr_equals(base->arp_tha, flow->arp_tha)) {
3733 return 0;
3734 }
3735
3736 memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src);
3737 memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst);
3738 memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
3739 memset(&wc->masks.arp_sha, 0xff, sizeof wc->masks.arp_sha);
3740 memset(&wc->masks.arp_tha, 0xff, sizeof wc->masks.arp_tha);
3741
3742 base->nw_src = flow->nw_src;
3743 base->nw_dst = flow->nw_dst;
3744 base->nw_proto = flow->nw_proto;
3745 memcpy(base->arp_sha, flow->arp_sha, ETH_ADDR_LEN);
3746 memcpy(base->arp_tha, flow->arp_tha, ETH_ADDR_LEN);
3747
3748 arp_key.arp_sip = base->nw_src;
3749 arp_key.arp_tip = base->nw_dst;
3750 arp_key.arp_op = htons(base->nw_proto);
3751 memcpy(arp_key.arp_sha, flow->arp_sha, ETH_ADDR_LEN);
3752 memcpy(arp_key.arp_tha, flow->arp_tha, ETH_ADDR_LEN);
3753
3754 commit_set_action(odp_actions, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
3755
3756 return SLOW_ACTION;
3757}
3758
3759static enum slow_path_reason
c4f2731d 3760commit_set_nw_action(const struct flow *flow, struct flow *base,
1dd35f8a 3761 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
c4f2731d 3762{
f6c8a6b1 3763 /* Check if 'flow' really has an L3 header. */
c4f2731d 3764 if (!flow->nw_proto) {
f6c8a6b1 3765 return 0;
c4f2731d
PS		 3766 }
3767
f6c8a6b1
BP		 3768 switch (ntohs(base->dl_type)) {
3769 case ETH_TYPE_IP:
1dd35f8a 3770 commit_set_ipv4_action(flow, base, odp_actions, wc);
f6c8a6b1
BP		 3771 break;
3772
3773 case ETH_TYPE_IPV6:
1dd35f8a 3774 commit_set_ipv6_action(flow, base, odp_actions, wc);
f6c8a6b1
BP		 3775 break;
3776
3777 case ETH_TYPE_ARP:
3778 return commit_set_arp_action(flow, base, odp_actions, wc);
c4f2731d 3779 }
f6c8a6b1
BP		 3780
3781 return 0;
c4f2731d
PS		 3782}
3783
5bbda0aa
EJ		 3784static void
3785commit_set_port_action(const struct flow *flow, struct flow *base,
1dd35f8a 3786 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa 3787{
1b035ef2 3788 if (!is_ip_any(base) || (!base->tp_src && !base->tp_dst)) {
5bbda0aa
EJ		 3789 return;
3790 }
3791
3792 if (base->tp_src == flow->tp_src &&
3793 base->tp_dst == flow->tp_dst) {
3794 return;
3795 }
3796
1dd35f8a
JP		 3797 memset(&wc->masks.tp_src, 0xff, sizeof wc->masks.tp_src);
3798 memset(&wc->masks.tp_dst, 0xff, sizeof wc->masks.tp_dst);
3799
5bbda0aa
EJ		 3800 if (flow->nw_proto == IPPROTO_TCP) {
3801 struct ovs_key_tcp port_key;
3802
3803 port_key.tcp_src = base->tp_src = flow->tp_src;
3804 port_key.tcp_dst = base->tp_dst = flow->tp_dst;
3805
3806 commit_set_action(odp_actions, OVS_KEY_ATTR_TCP,
3807 &port_key, sizeof(port_key));
3808
3809 } else if (flow->nw_proto == IPPROTO_UDP) {
3810 struct ovs_key_udp port_key;
3811
3812 port_key.udp_src = base->tp_src = flow->tp_src;
3813 port_key.udp_dst = base->tp_dst = flow->tp_dst;
3814
3815 commit_set_action(odp_actions, OVS_KEY_ATTR_UDP,
3816 &port_key, sizeof(port_key));
c6bcb685
JS		 3817 } else if (flow->nw_proto == IPPROTO_SCTP) {
3818 struct ovs_key_sctp port_key;
3819
3820 port_key.sctp_src = base->tp_src = flow->tp_src;
3821 port_key.sctp_dst = base->tp_dst = flow->tp_dst;
3822
3823 commit_set_action(odp_actions, OVS_KEY_ATTR_SCTP,
3824 &port_key, sizeof(port_key));
5bbda0aa
EJ		 3825 }
3826}
3827
3828static void
3829commit_set_priority_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3830 struct ofpbuf *odp_actions,
3831 struct flow_wildcards *wc)
5bbda0aa 3832{
deedf7e7 3833 if (base->skb_priority == flow->skb_priority) {
5bbda0aa
EJ		 3834 return;
3835 }
1dd35f8a
JP		 3836
3837 memset(&wc->masks.skb_priority, 0xff, sizeof wc->masks.skb_priority);
deedf7e7 3838 base->skb_priority = flow->skb_priority;
5bbda0aa
EJ		 3839
3840 commit_set_action(odp_actions, OVS_KEY_ATTR_PRIORITY,
deedf7e7 3841 &base->skb_priority, sizeof(base->skb_priority));
5bbda0aa
EJ		 3842}
3843
72e8bf28 3844static void
1362e248 3845commit_set_pkt_mark_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3846 struct ofpbuf *odp_actions,
3847 struct flow_wildcards *wc)
72e8bf28 3848{
1362e248 3849 if (base->pkt_mark == flow->pkt_mark) {
72e8bf28
AA		 3850 return;
3851 }
1dd35f8a 3852
1362e248
JG		 3853 memset(&wc->masks.pkt_mark, 0xff, sizeof wc->masks.pkt_mark);
3854 base->pkt_mark = flow->pkt_mark;
72e8bf28 3855
1362e248 3856 odp_put_pkt_mark_action(base->pkt_mark, odp_actions);
72e8bf28 3857}
7fd91025 3858
5bbda0aa
EJ		 3859/* If any of the flow key data that ODP actions can modify are different in
3860 * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow
b9ad7294
EJ		 3861 * key from 'base' into 'flow', and then changes 'base' the same way. Does not
3862 * commit set_tunnel actions. Users should call commit_odp_tunnel_action()
1dd35f8a 3863 * in addition to this function if needed. Sets fields in 'wc' that are
7fd91025
BP		 3864 * used as part of the action.
3865 *
3866 * Returns a reason to force processing the flow's packets into the userspace
3867 * slow path, if there is one, otherwise 0. */
3868enum slow_path_reason
5bbda0aa 3869commit_odp_actions(const struct flow *flow, struct flow *base,
8bfd0fda 3870 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa 3871{
f6c8a6b1
BP		 3872 enum slow_path_reason slow;
3873
1dd35f8a 3874 commit_set_ether_addr_action(flow, base, odp_actions, wc);
f6c8a6b1 3875 slow = commit_set_nw_action(flow, base, odp_actions, wc);
1dd35f8a 3876 commit_set_port_action(flow, base, odp_actions, wc);
8bfd0fda
BP		 3877 commit_mpls_action(flow, base, odp_actions, wc);
3878 commit_vlan_action(flow->vlan_tci, base, odp_actions, wc);
1dd35f8a 3879 commit_set_priority_action(flow, base, odp_actions, wc);
1362e248 3880 commit_set_pkt_mark_action(flow, base, odp_actions, wc);
7fd91025 3881
f6c8a6b1 3882 return slow;
5bbda0aa 3883}
openvswitch packages for PVE